• Laarni a Dream
    [pic] |Within cells there is an intricate network of organelles that | |all have unique functions. These organelles allow the cell to | |function properly. Arranged below according to location | |(nucleus, cytoplasm, and surface) is a description of common | |organelles. You may click...
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  • Anatomy
    structures •  Histology (tissues): structure of groups of cells of the same type •  • Ex: skeletal system – each one of the bones (femur) is an organ 4 major tissue types: epithelial, connective, nervous, & muscle Cytology: cells viewed w/ electron microscope Physiology = function of...
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  • Physics
    - ea. lung has about 150 million - 70 sq. meters of surface area for gas exchange (ex. tennis court size) - alveolar macrophages (or a.k.a. dust cells, are WBCs) o wander the lumen of the alveoli o phagocytizing small dust particles o last line of defense against inhaled matter - ea. one is surrounded...
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  • Bio 225
    choanoflagellate -eukaryote, unicellular -sessile, colonial sessile, or moving Animal embryology One cell divides through cleavage blastula gastrula (folding of cells of blastula) Gastrula cells- endoderm and ectoderm (true tissues) two embryonic tissue types therefore called diploblastic Triploblastic-...
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  • Plasma and Membrane Transport
    plasma membrane - the surface encapsulating a cell B. Fluid Mosaic Model 1. bilayer of phospholipids a. hydrophilic heads - P04 end "water" "loving" attracted to water on inner/outer parts of cell b. hydrophobic tails - fatty acids...
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  • Tydjrddjrdrjbrv
    mammal living in dry climates? J... nephrons. —In the kidneys, what is responsible for the movement of solute? Excretion, secretion, filtration? —Osmolarity of urine and plasma: which has higher one? —What is usually not present in the filtrate after the proximal ca… tubule? What is the role of the Bowman’s...
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  • Anatomy and Phisology
    Endocrine system- Making of hormones. * Hormones- Chemical messengers secreted into the blood stream that stimulates the cells in the organ system. -They only affect those cells that have receptors for the certain hormone. -Hormones are specific for what they do. * Exocrine glands are part of the...
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  • What Is Lab Report
    “Osmosis and Diffusion” is not very informative because it is much too general. A good title is something like this: “Determination of the Osmolarity of a Plant Cell”. Introduction: The introduction provides background and context. You should present an overview of the topic from general to specific...
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  • Anatomy: Coverage for the Exam
    this occurs LOCALLY) —Oxygen levels are then go back to appropriate levels **Paracrine Mediator: a chemical that is released by locally be cells (in a given part of the body), and affects homeostasis = does not travel in the blood = Released locally -Systemic = made...
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  • Animal Diversity Study Guide
    things * Ingest food and use enzymes in the body to digest it * Cell Structure and Specialization * Eukaryotic and multicellular * Lack cell walls but held together by collagen * Muscle and nerve cells (only in animals) * Helps to move and conduct nerve impulses...
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  • Alan Bio Note
    Prokaryotes – bacteria, cell wall, NO nucleus, NO memb-bound organelles, ribosomes (no mem), mesosomes (invaginations of membrane) Eukaryotes – cell wall in fungi & plants, nucleus, membrane-bound organelles Centrioles – microtubule involved in spindle organization during cell division/ NO membrane ...
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  • Biology 43, 44, 45
    Chapter 43 - Immune System - Pathogen - Agent that can cause diseases We have dedicated cells, immune cells, that specifically interact with and destroy pathogens. Innate immunity - defense that is active immediately upon infection. Innate immunity responds the same way whether or not the pathogen...
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  • nutritional requirements of plant tissue culture
    culture is the most important key factor in the successful culture of plant cells. The medium should be accurately defined of inorganic and organic chemical additives so as to provide i) the nutrients for the survival of the plant cells, tissues and organs under culture and ii) the optimal physical condition...
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  • Nsep Bio 2012
    degrade a hazardous aromatic pollutant. He cultured the isolate in appropriate fluid medium for 24 hrs. and plated the culture. He found only 60% cells are capable of degrading the same pollutant. What can be deduced from this observation? a. conjugational recombinants must have caused loss of the...
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  • Ck-Signalling
    Springer-VerlagTokyo102650918-94401618-086030669031Journal of Plant Research J Plant Res009410.1007/s10265-003-0094-6 J Plant Res (2003) 116:221–231 Digital Object Identifier (DOI) 10.1007/s10265-003-0094-6 © The Botanical Society of Japan and Springer-Verlag Tokyo 2003 JPR SYMPOSIUM ...
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  • Ap Bio Key Terms
    unsaturated fatty acid X-ray crystallography CHAPTER 6 cell wall centriole centrosome chloroplast chromatin chromosome cilia collagen cristae cytoplasm cytoskeleton cytosol endomembrane system endoplasmic reticulum eukaryotic cell extracellular matrix flagella glycoprotein Golgi apparatus ...
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  • Diffusion and Osmosis
    Kristen Demaline Bio 1113, Lab 3: Diffusion and Osmosis Osmolarity of Plant Cells In this class, we learned about hypertonic, hypotonic, and isotonic solutions. Hypertonic solutions have a higher concentration of solutes outside of the membrane, hypotonic solutions...
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  • Biology Notes
    late 1600’s. He discovered that cork was formed from little compartments and from the latin word cellula (rooms) the term cell formed. Light microscopy began the field of cell biology. After an increase in optical strength from the microscopes it became possible to see many more objects. Leuwenhoek...
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  • Citations
    of the two major body fluid compartments reveals that: two-thirds of the total fluid is within our cells and one-third is outside our cells. 8. Most of the fluid in our body is contained within our cells. 9. The plasma of our blood constitutes ______ than half of the fluid in our body; plasma is part...
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  • Reclamation of Saline Soils
    The Hard-science behind salinity 3 3.1 Types of salt-affected soils 3 3.1.1 Sodic soil: 3 3.1.2 Saline soils: 3 3.2 How does salt affect plants? 3 Osmotic 3 Toxic 3 Nutrition 3 3.3 Glycophytes and Halophytes 3 3.3.1 Adaptations to salinity 4 3.3.2 Crops / Glycophytes 4 3.3...
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