Tick (v) if it is a true statement. Chapter 2 Cell Structure and Cell Organisation 1. The cell is the basic unit of life for all organisms. 2. All cells have the same shape and size. 3. All cells have a plasma membrane‚ nucleus and cytoplasm. 4. Protoplasm consists of a plasma membrane and nucleus. 5. The nucleus consists of chromosomes and a nucleolus. 6. Organelles that are found in the cytoplasm of a cell include the nucleus‚ vacuole‚ endoplasmic reticulum‚ mitochondria and Golgi apparatus.
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parents‚ there is also opportunity for many mutations in meiosis | Mutation is a source of variation in both‚ asexual offspring are otherwise identical to parent‚ sexual offspring are genetic recombinations of parents. | Similarities of Mitosis and Meiosis
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Name: __________________________ BIOLOGY EOC REVIEW PACKET Scientific Method 1. Define the following: a. Independent Variable: the variable that I change in the experiment b. Dependent Variable: the variable that I am measuring (it depends on the independent variable) c. Control Variable: variable that stay the same d. Controlled experiment: an experiment in which only one variable is changed at a time e. Hypothesis: an educated guess (If…‚ then…) 2. You have measured the
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phosphate on cell division in root tips. Background knowledge Phosphate ions (macronutrients) are needed large amounts by plants. They are required for root growth. For the root tips cells to divide‚ mitosis has to occur. Phosphate is needed for production of ATP which provides energy for mitosis to occur. DNA replication occurs during interphase of the cell cycle. DNA is made up of nitrogen containing base‚ pentose sugar and phosphate group. The phosphate group forms part of the sugar phosphate
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1 | | | 1. Introduction | 2 | 1.1 Mitosis | 2 - 3 | 1.2 Meiosis | 4 | | | 2. Theory | 5 | 2.1 Mitosis | 6 | 2.2 Meiosis |
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Homework (6 problems) ___Ch. 8 Mitosis Introduction (FIB & diagrams) ___Ch 8 Mitosis & Meiosis (FIB) complete ___Diagram #3 Phases of Cell Cycle Pie Chart ___Diagram #9 Cytokinesis – Plant & Animal ___Diagram Meiosis #5 Metaphase & Crossing Over ___Diagram Meiosis #6 Egg & Sperm Dev’t (p 155) ___Diagram: All Stages of Cell Cycle‚ Mitosis (loose leaf) ___Diagram: Zygote Development (page 683) ___Chart Comparing Mitosis/Meiosis ___Concept Map – Comparing Mitosis & Meiosis ___4.5 Common Assessment
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Mitosis and Meiosis I. These two processes function to pass chromosomes from one cellular generation to the next in a very carefully controlled manner. II. Mitosis and Meiosis are both correctly described as nuclear division; they are never correctly called cell division‚ or any kind of reproduction. It is possible (and often quite normal) for nuclei to divide when cells don’t. And organisms reproduce; nuclei and cells divide. III. Mitosis A. Mitosis is the division of a nucleus
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CHAPTER 2: CELLS Learning about disease is often simplified by growing it in a dish – some cells like heart and nerve cells however do not grow easily outside the body. Cellular reprogramming takes cell back to a state similar to stem cells and then coaxes them to specialize in a different way. Example – LEOPARD syndrome MIM 151100. Acronym for symptoms: enlarged heart w/blocked valves to the lungs‚ freckles‚ abnormal genitals‚ deafness. Skin cells taken from patients were reprogrammed to give
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There are two types of nuclear division include mitosis and meiosis. Mitotic cell division is involved in the formation of an adult organism from a fertilized egg‚ asexual reproduction‚ regeneration‚ and maintenance or repair of body parts. Mitosis typically results in new somatic‚ or body cells. Meiosis results in the formation of either gametes in animals or spores in plants. The cells formed have half the chromosome number of the parent cell. Mitosis is best observed in cells that are growing at
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Mitosis Hands-On Labs‚ Inc. Version 42-0091-00-01 Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information
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