"Biology Form 5" Essays and Research Papers

  • Biology Form 5

    need for it to be retained in the plant. This means that guard cells on the stomata are generally inactive. 3. An increased number of stomata, that can be on either side of leaves. 4. A less rigid structure: water pressure supports them. 5. Flat leaves on surface plants for floatation. 6. Air sacs for floatation. 7. Smaller roots: water can diffuse directly into leaves. 8. Feathery roots: no need to support the plant. 9. Specialized roots able to take in oxygen. -For example...

    Blood, Cell nucleus, Coagulation 1777  Words | 7  Pages

  • Biology Form 5

    ................................................................................... ................................................................... [ 3 marks] 5 Question 2 Yeast uses glucose as a source of nutrient when it carries out anaerobic respiration . Plan an experiment to determine the effect of concentration of glucose solution on the process of anaerobic respiration. Your plan should include the...

    Chart, Evaporation, Glucose 747  Words | 4  Pages

  • Biology Form 4

    Biology Form 4 Chapter 2 – Cell Structure and Organisation                          Plant Cell      © Amir Fuhaira 2008‐20XX. Nak guna boleh, nak copy minta izin. Kalau tak boleh blah.                      Animal Cell  Biology Form 4 Chapter 2 – Cell Structure and Organisation    Cell Components –  1. The Nucleus – Cell Prime Minister and Info Storage  a. Large, dense, spherical organelle  b. Enclosed by double membrane (nuclear membrane)  c. Has nucleoplasm...

    Blood, Cell, Cell membrane 1921  Words | 5  Pages

  • 51531986 Biology Form 4 Chapter 5 Cell Division

    Biology form 4 – Chapter 5 Mitosis Mitosis is a division of the nucleus to produce two new daughter cells containing chromosomes identical to the parent cell. Significance of mitosis Growth- allows a zygote to produce more cell in order to grow Repair and replacement- allow the multicellular organism maintain its tissues, example skin cells and blood Asexual reproduction- clone The cell cycle divided into two major phases a. Interphase b. Mitosis Interphase is the period between division, divided...

    Bacteria, Cell, Cell cycle 1104  Words | 7  Pages

  • Form 5 2

    Valtorta College First Examination 2014-2015 P.1 of 2 Form 5 Examination Syllabus Subject 中國語文 Syllabus Duration 一小時十五分鐘 卷一:閱讀能力 25% 卷二:寫作能力 25% (試卷滿分 100 分) 設三題,選作一題,命題作文不少於 800 字,短文合共不多於 700 字。 一小時三十分鐘 卷三:聆聽及綜合能力 17.5 % 甲、 聆聽能力(佔本卷 20%) 乙、 綜合能力(佔本卷 80%) ---利用閱讀及聆聽材料,寫作文章一 一小時三十分鐘 篇,字數不少於 500 字,標點符號計 算在內。 卷四:說話能力 12.5% 三小時 口語溝通 English Paper 1 Reading (40 marks) - Part A (1 text) ; Part B (1-2 texts) Paper 2 Writing (45 marks) - Part A (200 words) ; 1 hour 30 mins 2 hours Part B (300-350...

    Andromeda, Book, Economics 557  Words | 2  Pages

  • Biology Lab Report 5

    Name: Mugabe Rodrigue Class: Grade 11B Subject: Biology Topic: DNA Extraction From Onion Date: 20/1/2014 Introduction: DNA, or deoxyribonucleic acid, is the hereditary material in organisms. Nearly every cell in an organism has the same DNA. Most DNA is located in the cell nucleus.The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). The order, or sequence, of these bases determines the information available for...

    Cell, DNA, Gene 720  Words | 3  Pages

  • Form 4 -Biology

    SPM Biology Form 4 Notes – Nutrition (Part I) Photoautotrophs Type of Nutrition * Nutrition – process by which organisms obtain energy and nutrients from food, for growth, maintenance and repair of damaged tissues. * Nutrients – the important substances which are required for nourishment of an organisms. * Living organisms are divided into two groups (based on the nutritional habits): autotrophs and heterotrophs. (i) Autotroph * Autotrophs – organisms that are able to synthesise...

    Carbohydrate, Energy, Metabolism 1299  Words | 5  Pages

  • Biology

    Biology: 1. Living Things Please remember to photocopy 4 pages onto one sheet by going A3→A4 and using back to back on the photocopier Syllabus OB38 Understand how to use a simple key to identify plants and animals, including vertebrates and invertebrates OB39 Investigate the variety of living things by direct observation of animals and plants in their environment; classify living organisms as plants or animals, and animals as vertebrates or invertebrates OB40 Identify the basic life...

    Animal, Biology, Cell 916  Words | 5  Pages

  • Biology

    Morphology Anatomy Histology Cytology Embryology Ontogeny Genetics Physiology Protozoology Entomology Malacology Ichthyology e) f) g) h) i) j) Herpetology Ornithology Helminthology Mammalogy Conchology Anthropology 2. Developmental Zoology a) b) c) 5. Distributional Zoology a) b) Zoogeography Ecology Paleontology Phylogeny Evolution Parasitology Pathology 3. 4. Functional Zoology a) a) b) c) d) 6. Historical Zoology a) b) c) Systematic Zoology 7. Medical Zoology a) b) ...

    Adenosine triphosphate, Biology, Cellular respiration 684  Words | 4  Pages

  • Biology

    Lauren Spillers Biology 1408 February 5, 2013 Lung Cancer Lung cancer is the number one form of deadly cancer in the United States. It is not only something that can kill you but also can put a strain on you and your family financially, emotionally, and medically. Lung cancer is formed when the cells of the lungs grow in an uncontrolled way, this creates a lump or a tumor which can either be malignant (cancerous) or benign (not cancerous). Radon gases, smoking, and second hand smoke cause lung...

    Cancer, Cancer staging, Epidemiology 896  Words | 3  Pages

  • Biology

    BIOLOGY 181 Lab # 4 Microscopy and Cells Lab A microscope is a tool that enables us to see objects and organisms that are invisible to the naked eye. Microscopes use a series of two or more lenses to magnify an illuminated image. Magnification is a measure of how big an object looks to your eye compared to “life size.” Microscopes also enhance the resolution of an image. Resolution is the ability to distinguish between two objects that are close together. Resolution can be increased using immersion...

    Eyepiece, Lens, Lenses 1373  Words | 5  Pages

  • biology

    Biology Worksheet Name ________ Chapter 11.1 Period _____ Section 11.1 The Work of Gregor Mendel Matching. Select the letter in front of the term that matches the statement. Type the “upper case” letter in the “answer” column. Use red font color. Q Term Answer Statement 1. A. Allele Process in sexual reproduction in which male and female reproductive cells join to produce a new cell. 2. B. Fertilization A specific characteristic of an individual. 3. C. Gamete One...

    Allele, Dominance, Fruit 461  Words | 4  Pages

  • biology

    AP Biology Study Guide Chapter 11 1. Categorize chemical signals in terms of the proximity of the communicating cells. Local signaling – a. Paracrine signaling – a secreting cell acts on nearby target cells by discharging molecules of a local regulator (a growth factor, for example) into the extracellular fluid. b. Synaptic signaling – a nerve cell releases neurotransmitter molecules into a synapse, stimulating the target cell. Long distance signaling- c. Hormonal signaling – specialized...

    Adenosine triphosphate, Cell biology, Cell membrane 729  Words | 3  Pages

  • Biology

    Experiments investigating the effect of a particular factor on an enzyme-catalysed reaction are commonly used as assessed practicals in Biology. The reason for this is there are a number of factors that can be investigated, and therefore, a number of factors that can also be controlled. From our lecture, we are aware that the following can affect the rate of reaction: 1) Temperature: a. Independent variable: A range of temperatures should be investigated, with particular attention...

    Amylase, Digestion, Enzyme 1491  Words | 5  Pages

  • Biology

    Biology Research Lifestyle and Diseases Lifestyle diseases are caused by the way we live our lives. A lifestyle disease is defined mainly as it being a disease that is associated with the way that a person or people live. Lifestyle disease increase and appear more frequently in more industrial countries. They occur when people have poor food habits which affects our overall health. Lifestyle disease are not caused...

    Cardiology, Diabetes mellitus, Genetic disorder 717  Words | 3  Pages

  • Biology Lab 4 and 5

    Labs 4 & 5 Lab Four: Experiment 1 1. At what magnification do you first notice the ragweed pollen? I first noticed it when the magnification is at about 30 2. Which is bigger, rhinovirus or E. Coli? E. Coli is bigger 3. Based on the magnification, how many of the E. Coli can fit into the same space as the head of a pin? 10,000 E. Coli 4. About how many red blood cells could fit across the diameter of a human hair. (Again, look at the magnification scale)? About 100 blood...

    Acid, Area, Blood 389  Words | 3  Pages

  • Unit 5 Biology

    contributing to the decline of pollinator populations. Possible explanations for pollinator decline 1. Pesticide misuse 2. Rapid transfer of parasites and diseases of pollinator species around the world 3. Loss of habitat and forage 4. Nectar corridors 5. Hive destruction 6. Light pollution 7. Threat by invasive honey bees 8. Air pollution I would probably name pollution and pesticides, predators (destruction) and loss of foraging as the three main factors 48) From an agricultural perspective, describe...

    Biodiversity, Botany, Ecological succession 1810  Words | 7  Pages

  • Biology

    Introductory Biology, Biology 1407 MWF 11:00. TAMU-CC. Working version of the 1st lecture exam, as of 19 January 2014 1. Science can prove hypotheses to be false because: 2. In a population: phenotype Average number of offspring per individual Very small nose 5.5 Small nose 6.0 Medium size nose 10.7 Large nose 20.7 What is the relative fitness of organisms with small noses? 3. In the above population, assuming that at one time the population followed a normal curve...

    Albinism, Allele, Dominance 452  Words | 4  Pages

  • biology

    serving as insulation. If the air held is warmer-with longer hairs- than the hairs will reduce heat loss and a thinner hair layer will allow for more heat to be loss, decreasing temperature. Due to these mechanisms, temperatures in the body rarely exceed .5 degrees Celsius below or above its normal point. This negative feedback loop maintains body temperature and can also help regulate other process in the body. Plants are often subjected to periods of extreme water loss or gain. These fluctuations...

    Biology, Feedback, Homeostasis 895  Words | 3  Pages

  • BIOLOGY form 4 chapter 2

    -break down complex organic molecules (eg protein, lipid, polysaccharides & nucleic acid). -digest _____, dead or damage _______ to enable a cell to renew itself 5. Chloroplast (plant cell) -lens-shaped -contains __________. -traps _______ (energy) during photosynthesis 6. Centriole (animal cell) -small cylindrical structure -form spindle fibres during cell ______ in animal cells 7. Ribosome -small spherical organelles -either attached to RER or free -the site of _______ synthesis -use...

    Cell, Cell membrane, Endoplasmic reticulum 362  Words | 3  Pages

  • biology

    Biology Exam - Paper 6 Revision Notes Enzyme activity lab: 2H2O2 (l) → 2H2O (l) + O2 (g) This reaction can be catalysed by an enzyme (catalase) or by a non-biological catalyst (Manganese IV oxide) 1. Put 3cm2 of hydrogen peroxide in a test tube. 2. Add fresh potato strips and shake gently. 3. Keep your thumb on top of the test tube, or use a stopper, to retain the gas. 4. Do the “glowing splint” test → the splint relights Positive control: repeat the original experiment using manganese...

    Carbon dioxide, Enzyme, Oxygen 1402  Words | 5  Pages

  • Form

    SCHEDULE G (Form 1120) (Rev. December 2011) Department of the Treasury Internal Revenue Service Information on Certain Persons Owning the Corporation’s Voting Stock to Form 1120. ▶ See instructions on page 2. Employer identification number (EIN) Name Part I Certain Entities Owning the Corporation’s Voting Stock. (Form 1120, Schedule K, Question 4a). Complete columns (i) through (v) below for any foreign or domestic corporation, partnership (including any entity treated as...

    Business, Corporation, English-language films 1158  Words | 7  Pages

  • Biology

    colour from a standardised solution of permanganate based on the different glucose concentration in known solution which are 5%, 10%, 15%, 20%, 25%, and 30% under the constant factors of volume of sulphuric acid, volume of potassium permanganate, and volume of glucose? Variables: Units | Range | INDEPENDENT VARIABLE | Different concentration of glucose in solution | % | 5%, 10%, 15%, 20%, 25%, 30%, and A, B, C | DEPENDENT VARIABLE | Time taken for the loss of colour from a standardised solution...

    FIA, Group, Manganese 1591  Words | 7  Pages

  • Biology

     Cell Shape and Diffusion-Practical Report (Re-Written) 23-04-2012 Year 11 IB Biology Title: Cell Shape and Diffusion Diffusion is a type of passive transport which allows particles to move from a region of high concentration to a region of low concentration. In a living system, diffusion involves a cell membrane. Cells also need to excrete waste which also occurs at the cell membrane. Aim: The aim is to use model cells made from agar which contains phenolphthalein and sodium...

    Area, Cube, Cuboid 1248  Words | 6  Pages

  • Biology

    enamine. This condition was leaded good yields (73.6%) without side reactions. Acylation gave an enol form (71.7%) and a keto form (28.3%) of 2-acetylcyclohexanone mixture, the composition of which was determined by 1H-NMR spectroscopy. Key words : pyrrolidine, enamine, mild condition, NMR 1. Introduction The formation reactions of carbon-carbon bonds are important in organic synthesis [1-5]. In general, acylation reaction is one of the important carbon-carbon forming reactions. It belongs to...

    Aldol reaction, Amine, Carbonyl 1833  Words | 6  Pages

  • Biology

     Study Questions: Chapter 28 1.) Archaea and Bacteria are the oldest, structurally simplest and most abundant forms of life. 2.) Name and describe seven ways in which prokaryotes differ substantially from eukaryotes? Unicellularity- fundamentally single-celled Cell Size- can vary (large range changes with species) Nucleoid- lack a membrane-bound nucleus but rather a nucleoid region Cell Division/Genetic Recombination- binary fission (does not use spindle) and do not have a sexual cycle ...

    Archaea, Bacteria, Bacterial cell structure 1167  Words | 6  Pages

  • Biology Study Guide - Unit 5

    Vanessa Yang Smith Period 6 Biology HP 17 March 2014 Biology Study Guide: Unit 6 Physiology III Benchmark 1. Homeostasis maintains and keeps a balance of an organism’s internal environment. 2. The body maintains homeostasis by the feedback inhibition, in which a stimulus produces a response that opposes the original stimulus. 3. The axon terminal is the nerve ending. The nodes speed up the message. The myelin sheath is an insulating membrane. The axon carries impulses away from the cell body...

    Action potential, Axon, Brain 1018  Words | 2  Pages

  • Biology

    Chapter 3 Cloze Notes CORNELL NOTES UNIT 2: Cells Directions: Create a Chapter 3: Cell Structure and Function minimum of 5 questions in this column per page I. Cell Theory (Section 3.1) (average). You can use these questions during class A. Early studies led to the development of the cell theory or tutorial to better understand a topic; or at home to better understand 1. Discovery of Cells your notes and prepare for tests and quizzes. a. Robert __________ (1665)—Used compound microscope to ...

    Bacteria, Cell, Cell membrane 1726  Words | 7  Pages

  • Spm Biology

    SPM Biology – Answering Techniques in Paper 3 SPM Biology candidates typically commit the mistake of thinking that the length of their answered essay or structured questions equates to marks deserve, under the formula, Length of Structure Answer/Essay = Marks. This is wrong and Berry Berry Easy wishes to clear the air regarding this issue. It is never about how long you write but more about how accurate you write. So for Berry Readers who can write long answers but never seemed to score well,...

    2, 37, Enzyme 1244  Words | 5  Pages

  • biology

     Biology PEKA SPM 2013 Contraceptive methods Name : Bridget Lo Yen Class: 5 Amanah Subject Teacher : Puan Syafiza Ibrahim Date of submission : 26/7/2013 CONTENT PAGE NO. CONTENT PAGE A INTRODUCTION B DATA AND DISCUSSION DESCRIPTION PROCEDURES ADVANTAGES DISADVANTAGES DIAGRAM C CONCLUSION D REFERENCES INTRODUCTION 1. Family planning is used by couples who wish to limit their number of children, and to control the timing of pregnancy. This is important...

    Birth control, Combined oral contraceptive pill, Condom 514  Words | 4  Pages

  • Biology

    then a higher concentration of albumin will lead to higher absorbance level. Results Table No. | Albumin(cm3) | KCl (mL) | Biuret Reagent (mL) | Absorbance | 1 | 0 | 5 | 3 | 0.049 | 2 | 1 | 4 | 3 | 0.112 | 3 | 2 | 3 | 3 | 0.258 | 4 | 4 | 1 | 3 | 0.39 | 5 | 5 | 0 | 3 | 0.418 | 6 | 5 (A) | 0 | 3 | 0.198 | 7 | 5 (B) | 0 | 3 | 0.347 | Table 1) Test Result Table 1 is the results of seven test tubes with a different amount of solutions. 3 mL of Biuret Reagent was added to all seven...

    Amino acid, Atom, Biuret 823  Words | 4  Pages

  • Biology

    Jamaica) on November 2, 2011 the weather conditions for the day was fair with a few citrus clouds and strong winds. Three (3) sites were selected to be observed in the lower and middle course of the Swift River. At each site the depositional land form were analysed and identified. Multiple measurements were made and recorded. The three (3) sites that were studied can be identified on a map (topographical sheet, scale 1:50) and their sizes were determined using one scale of the map and also...

    Geomorphology, Igneous rock, Measurement 1324  Words | 5  Pages

  • Biology

    permits an undulating form of locomotion that can be observed in the larger turbellarian species. A saclike digestive cavity, with a single opening to the outside that serves as both mouth and anus, is sometimes present; in the simpler forms it is absent or unbranched, but in higher forms it branches to all parts of the body. The major sense organs, when present, are concentrated in the head, or front end. Although a primitive nerve net is present in some of the simpler forms, others have several...

    Cestoda, Digenea, Flatworm 1234  Words | 6  Pages

  • Biology

    eukaryotic cells? In this case study, you will apply your knowledge regarding the function of cell structures. Metabolic disorders and unique characteristics of some cells will be used to illustrate the importance of individual structures. Pick 5 out the following 7 small case studies. Each one focuses on one cell component. For each cell component, answer the following questions and also any questions presented in each study: a. What is the structure of the cell component referred to in your...

    Cell, Cell nucleus, Chloroplast 1016  Words | 3  Pages

  • Biology

    preparation for division. 5. Identifiable chromosomes are present in the cell only during…. D) M 8.1.2 Mitosis: an overview 1. Which statement regarding chromosomes is FALSE? C) An acrocentric chromosome has its centromere on the end of the chromosome. 2. Structures that play a role in chromosome movements during cell division are called? B) Centrosomes 3. Spindle fibers attach to the CENTROMERE of a chromosome. 4. A replicated chromosome has how many chromatids? B) 2 5. A cell containing...

    Cell, Cell cycle, Cell division 1193  Words | 6  Pages

  • biology

    Animal Diversity The number of animal varieties familiar to us is vast as the animal world is diverse. Each distinct variety or type of animals is recognized by scientist as a species. Animals of most species are free-living forms but of others are parasitic in bodies of other animals or even plants.  According to their habitats animals are divided into the following types     Aquatic animals :- They live in water . Animals living in sea water are called marine & those live in river,ponds,streams...

    Animal, Archaea, Binomial nomenclature 1443  Words | 3  Pages

  • Biology

    the fifth intercostal space. Figure 23.2 11 In reference to Figure 23.2, identify #1 - #3. 3 Epicardium 1 Pericardium 2 Pericardial cavity Figure 23.1 In reference to Figure 23.1, identify #1 - #5. 1 Mid-sternal line 4 5th rib 2 Sternum 5 Fifth intercostal space 3 Diaphragm COVERINGS OF THE HEART 5 What is the name of the covering of the heart? The heart is covered by the pericardium, or pericardial sac. 6 What is the function of the fibrous layer of the pericardium? The fibrous pericardium functions...

    Artery, Blood, Cardiac anatomy 1818  Words | 6  Pages

  • Biology

    Biology Assessment – Report Background information: Until the mid-1980’s the vibrant wetland refuge was a dump filled for rubbish, railways and recreation leaving only fragmented patches of remnant wetlands across the estuary. A significant patch of wetland was converted to football fields and a clubhouse. Today, Hunter Wetlands Centre Australia is a vibrant wetland ecosystem bursting with life. The site is regarded as a wetland of national and international importance and the centre has a growing...

    Animal, Bird, Organism 1025  Words | 3  Pages

  • Biology

    conclude about the genotypes of the parent flies? a. They are both heterozygous b. They are both homozygous dominant c. They are both homozygous recessive d. You cannot conclude anything definitively about the parental genotypes 5. Some of the offspring of two gray bodied flies are black. What can you recessive d. You...

    Allele, Classical genetics, Evolution 492  Words | 3  Pages

  • Biology

    Done By: Francis Lolas Teacher: Christine Due Date: 19/9/2012 Grade: 10 MYP 5 A There are many possible solutions to the problem that we are facing nowadays that is Acid Rain. Acid rain is formed from two main gases that are released in the atmosphere which are sulphur oxide and nitrogen oxide. I will talk later about the solutions for acid rain and the effect of this rain and what are the two forms of acid deposition. I have also watched some videos about acid rain? I also should...

    Acid, Acid rain, Oxygen 1467  Words | 5  Pages

  • form

    BINTI V.E.O ABDUL KADER 2. Malaysian Identification Card Number (Old)/Passport No. 2a. Malaysian Identification Card Number (New) 3. Nationality M - Malaysian 4. Race : MALAY PR - Permanent Resident B - Others : 5. Religion : ISLAM 6. Correspondence Adress (Block Letter) 7. Phone No. (House): B-10-8, APARTMENT SRI TANJUNG, USJ16, (Mobile : SUBANG JAYA, 47610 SELANGOR. ...

    Indonesian language, Johor, Malay language 567  Words | 7  Pages

  • History of Biology

    The term biology is derived from the Greek word βίος, bios, "life" and the suffix -λογία, -logia, "study of."[4] The Latin form of the term first appeared in 1736 when Linnaeus (Carl von Linné) used biologi in his Bibliotheca botanica. It was used again in 1766 in a work entitled Philosophiae naturalis sive physicae: tomus III, continens geologian, biologian, phytologian generalis, by Michael Christoph Hanov, a disciple of Christian Wolff. The first German use, Biologie, was used in a 1771 translation...

    Biology, Charles Darwin, DNA 1054  Words | 3  Pages

  • Biology

    inserted it into the labeled T0 microfuge tube, which contains gluteraldehyde. We also made sure to close the top so the suspension was not able escape. We proceeded doing that procedure for every other test tube. We timed the other samples at 2 minutes, 5 minutes, 10 minutes, 20 minutes, and 30 minutes. Next, we set aside the 20 ul sample for after all of our timing was done to compare all samples. As we continued to wait for the timing of our samples we started to observe the Tetrahymena and how they...

    Ciliate, Cold, Experiment 1956  Words | 6  Pages

  • biology

    replication forks. Step 2 At the replication fork, enzymes known as DNA polymerases move along each of the DNA strands. DNA polymerases add nucleotides to the exposed nitrogen bases, according to the base-pairing rules. Step 3 Two DNA molecules form that are identical to the original DNA molecule. Checking for Errors In the course of DNA replication, errors sometimes occur and the wrong nucleotide is added to the new strand. An important feature of DNA replication is that DNA polymerases have...

    Bacteria, Base pair, DNA 929  Words | 4  Pages

  • Biology

    Unit 5 Case Study Mariella Hines is a 9 year-old African-American girl attending the 3rd grade in the JFK School. She was referred to the School Psychologist because she has recently become very withdrawn during class, refusing to speak to anyone, including her teacher and peers. Previously she seemed to have age-appropriate social skills, interacting well at school. Her withdrawal started suddenly. Mariella’s teacher, Mrs. Levine, called Mariella’s mother to find out more information, but her...

    Applied behavior analysis, Behavior, Behaviorism 732  Words | 3  Pages

  • Role of Molecular Biology in the 21st Century

    1…………….ROLE OF MOLECULAR BIOLOGY IN THE 21ST CENTURY THE STATEMENT: Molecular biology of the 21st century, which says that the science devoted to elucidating the structure and function of genomes. On the other hand, the major advances gave rise to central dogma of molecular biology, comprising the three major processes in the cellular utilization of genetic information. The first is replication, the copying of parental DNA to form daughter DNA molecules with identical nucleotide sequences. The second...

    Bacteria, Biology, DNA 855  Words | 3  Pages

  • Biology

    holder of the spectrophotometer to record the transmittance level. Kim Wipe papers were used to clean each cuvette before placing into spectrometer to minimize errors from other variables. The transmittance level of tubes 1, 2, and 3 was recorded at 5-minute intervals for 30 minutes. This transmittance level revealed the amount of light transmitted by the DPIP. As the DPIP changed from blue to clear, more light would be transmitted through, indicating greater rate of respiration. Results ...

    Adenosine triphosphate, Cellular respiration, Citric acid cycle 1233  Words | 5  Pages

  • Biology

    Arrangement of Vascular Tissues in Flowering Plants • Xylem and phloem often are grouped together -> vascular bundle • Cambium -> lies in between xylem and phloem -> divide and differentiate -> form new xylem and phloem tissues -> thickening of stem Movement of Substances Into and Within Flowering Plants Entry of Water and Nutrients into Plants • Absorption of water -> root hairs -> grow into close contact with liquid around them • Thin film of liquid surrounding soil...

    Evaporation, Leaf, Photosynthesis 682  Words | 3  Pages

  • Biology

    23He, all the way right full shell only holds two electrons 5. What is an isotope? How are they used? Different number of neutrons, used in biological research (radioactive) 6. Describe the 4 main types of bonds. Put them in order from strongest to weakest. Covalent-electrons are shared between the atoms, can be polar or nonpolar depending on the difference in electronegativity Ionic- one atom takes an e- from another, form anions and cations Hydrogen- between H and O, N or F, because electronegativity...

    Adenosine triphosphate, Cell, Cellular respiration 2208  Words | 7  Pages

  • Biology

    0847 030 Tahsin Shahab Uddin ID: 101 0692 030 Prepared for Dr. S.M. Mostafa Kamal Khan Department of Biology and Microbiology North South University Date of Submission: 20th August, 2013 Sl | Topic | Page | 1 | Introduction | 2 | 2 | Description | | | 2.1 Impact on Air | 3 | | 2.2 Impact on Water | 3 | | 2.3 Impact on Soil Pollution | 5 | | 2.4 Green House Effect | 5 | | 2.5 Increase Disease | 7 | | 2.6 Effect on Flora and Fauna | 7 | | 2.7 Impact on Ecosystem | 8 | ...

    Agriculture, Global warming, Groundwater 1701  Words | 7  Pages

  • Biology

    because Mendel's theory accounts for the more subtle variations within a population that are central to natural selection. 4 Distinguish between discrete and quantitative traits. Explain how Mendel’s laws of inheritance apply to quantitative traits. 5 Explain what is meant by “the modern synthesis.” ~The modern synthesis -> A comprehensive theory of evolution emphasizing natural selection, gradualism, and populations as the fundamental units of evolutionary change, also referred to a Neo-Darwinism ...

    Allele frequency, DNA, Evolution 1633  Words | 3  Pages

  • Biology

    loci. During meiosis, each pair of alleles splits up or segregates so that only one allele from each pair is contained within a gamete (egg or sperm.) This is Mendel’s Law of Segregation. In sexual reproduction egg and sperm from parents unite to form a new individual or zygote. Thus, each parent contributes one allele for each genetic locus. Mendel’s Law of Independent Assortment states that during meiosis, each pair of alleles is assorted randomly and inherited independently of the others. ...

    Albinism, Allele, Dominance 842  Words | 3  Pages

  • biology

    of Independent Assortment: Genes for different traits are sorted separately from one another so that the inheritance of one trait is not dependent on the inheritance of another. 3) The Law of Dominance: An organism with alternate forms of a gene will express the form that is dominant. The genetic experiments Mendel did with pea plants took him eight years (1856-1863) and he published his results in 1865. During this time, Mendel grew over 10,000 pea plants, keeping track of progeny number and type...

    Allele, Experiments on Plant Hybridization, Gene 1214  Words | 5  Pages

  • Biology 3350 Test 5 Review

    BIOL 3350 Review Test 5 1. What is the overall function of the kidneys? They control the water to electrolyte balance and remove nitrogenous waste. Regulate the inner environment of the body. 2. What are the functional units of the kidney? Nephron 3. What is the bulk of the energy used for by the kidney? Active Transport of sodium and co-transport of electrolytes and other substances. 4. Describe juxtomedullary nephrons. They penetrate the entire length...

    Kidney, Nephrology, Nephron 988  Words | 5  Pages

  • BIOLOGY

    a beetroot tap root cells • My groups results are highlighted in yellow and the class results are left blank Temperature ͦC (+/- 1 ͦC) Amount of green light that was absorbed by the solution (+/- 0.001) Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Group 7 20 0.099 0.188 0.202 0.141 0.152 0.143 0.157 30 0.274 0.173 0.205 0.170 0.262 0.180 0.233 40 0.285 0.127 0.327 0.234 0.283 0.173 0.309 50 0.373 0.411 0.729 0.378 0.341 0.420 0.601 60 0.742 0.253 0.585 0.465 0.350 0.290...

    Bacteria, Cell, Cell membrane 1302  Words | 5  Pages

  • Biology

    Biology Project Autumn Brown 3rd block Mrs. Stephens More than 2,000 years ago, Aristotle began grouping plants and animals into various categories. Although he did not consider the idea that different organisms were related by descent, he devised a system that placed these organisms in a hierarchy. Through classification systems, scientist have found it easier to find answers to important questions. This way...

    Animal, Archaea, Bacteria 926  Words | 4  Pages

  • Form 4 Biology Note

    Biology Form 4 Notes (2003-2004)2005 Jordan Mifsud (4.8) 5.8 TOPIC 1: NUTRITION The 7 Basic Food Substances All the food we eat is made up of the following 7 basic substances: 1. Carbohydrates 2. Fats 3. Proteins 4. Vitamins 5. Minerals 6. Fibre 7. Water Carbohydrates, fats, proteins and vitamins are organic substances because they contain carbon in their molecular structure. Water and minerals are inorganic substances since they don’t contain carbon. Carbohydrates, fats and proteins...

    Amylase, Carbon dioxide, Digestion 12758  Words | 84  Pages

  • Biology

    (Golanty el al, 1999). References Edlin, G. Golanty, E. and McCormack, B. (1999). Essential for Health and Wellness, Toronto: Jone and Bartlett Publishers. Pp280 McMillan, B and Starr, C. (2013). Human Biology, Belmont: Brooks/Cole, Cengage Learning Pp 179 Starr, C., Ever, C. and Starr, L. (2009). Biology Today and Tomorrow with Physiology, Belmont: Brooks/Cole, Cengage Learning pp 432 ...

    Blood, Cigarette, Heart 636  Words | 2  Pages

  • Biology Notes

    Edusmart Study Centre Biology Notes Class 10 1. How are our eyes protected? • Eyes are situated in the eye-socket of the skull • Eyelids with eyelash protect from dust and other particles • Tears keep eyes wet , washes away the dust particles and prevent infection • The conjunctiva covers the front portion of the eye except cornea 2. Which are the 3 layers of human eye? • Sclera –The outermost, strong layer, that gives shape. Its...

    Action potential, Axon, Eye 599  Words | 3  Pages

  • Biology Chapter

    Chapter 1 Regulation of water content Exercise Multiple-choice questions (p. 24) 1 A 2 D 3 C 4 C 5 D 6 B 7 C Short questions (p. 25) 8 a Urea is a nitrogenous compound produced from deamination of excess amino acids in liver. 1m Urine is a liquid containing water, salts, urea and other unwanted substances. It is produced after ultrafiltration and reabsorption in the kidney. 1m b Plasma is the liquid portion of blood. It contains water and substances including glucose, amino acids...

    Acid, Ammonia, Blood 669  Words | 3  Pages

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