• Biology Osmosis Experiment
    move in and out at the same rate. * Salt- Chloride and Sodium are the two major components. Sodium and chloride are needed by all living creatures. Salt is involved in regulating the water content in our bodies. * Osmoregulation- When a plant cell becomes immersed in an isotonic the...
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  • Physics
    between 1 and 3 (very acidic) ii. Functions of HCl: 1. Activates pepsinogen & lingual lipase (from saliva) (NZ) 2. Breaks up CTs & plant cell walls (that we eat) a. helping to liquefy food & form chyme 3. Converts ingested iron to a form that can be absorbed a. & used for hemoglobin synthesis i...
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  • Anatomy
    blood of solutes that are too large to cross the capillary membrane draws water back into the bloodstream. As a result, very little net loss of plasma fluid occurs. 91. What is the relationship between cell tonicity and cell osmolarity? • A solution's osmolarity is based solely on its total...
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  • Plasma and Membrane Transport
    - driving force generated by the concentration gradient *the larger the difference in concentrations between the INSIDE and OUTSIDE, the larger the osmotic pressure (driving force is greater) d. hydrostatic pressure - pressure of cell wall in plant cells that balances the...
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  • Biology 43, 44, 45
    “knights” In all animals and plants Ex: Insects - exoskeletons, chitin - barrier. In their intestines they have chitin that protects them from infection. They have an enzyme in their intestines called lysozyme. This enzyme breaks down bacterial cell wall, protects their digestive system. Within their...
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  • Tydjrddjrdrjbrv
    ? GENES —What was the earliest genetic system? RNA —What is the endosymbiotic theory? It is the theory that the mitochondria and chloroplasts contained within modern animal and plant cells were once free living bacteria that were engulfed by another bacterial cell leading to the eukaryotic cell...
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  • Anatomy: Coverage for the Exam
    particles in a solution per liter of solution (mOsM/L) = used to compare solute concentration between two solutions EX: Intracellular Osmolarity VS. Extracelllular Osmolarity ***If Intracellular Osmo is greater than Extracellular Osmo = the cell will burst =(think: the...
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  • What Is Lab Report
    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. This should be presented in not more than 2 paragraphs. Follow this with a statement of the purpose of the investigation and...
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  • Anatomy and Phisology
    A & P 2 Notes 1/17/2012 * 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...
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  • Biol
    kinases in the two pathways are completely different. b. The MAP kinases are bound to different scaffold proteins. c. The two signals (mating factor and osmolarity) activate different plasma membrane bound receptors. d. Different yeast cells express only one of the pathways at a time. e. b and c only...
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  • Ap Bio Key Terms
    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 grana intermediate filament...
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  • Alan Bio Note
    more substrate; Vmax not affected · Noncompetitive inhibitors bind at allosteric site; diminishes Vmax 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...
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  • Animal Diversity Study Guide
    the uptake and loss of water and solutes * Based largely on controlled movement of solutes between internal fluids and the external environment * Cells require a balance between osmotic gain and loss of water * Osmolarity, the solute concentration of a solution determines the...
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  • nutritional requirements of plant tissue culture
    Nutritional requirements The composition of medium for the tissue 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...
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  • Nsep Bio 2012
    . deuteromycetes d. ascomycetes 4 15. Among various ions encountered in living cells the ions most commonly used as signals are: a. Fe++ b. K+ c. Na+ d. Ca++ 16. The weight of fruit in a plant is determined by the number of dominant alleles of a certain number of genes. If seven weight categories...
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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...
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  • Ck-Signalling
    Takashi Aoyama • Atsuhiro Oka Cytokinin signal transduction in plant cells Received: February 4, 2003 / Accepted: March 8, 2003 / Published online: April 17, 2003 Abstract Cytokinins regulate various events in plant development according to the intrinsic developmental program and in...
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  • Citations
    changes in osmolarity are? Chemorecptors 57. High levels of ADH cause: vasoconstriction and therefore increases in blood pressure 58. The adrenal gland releases aldosterone in response to: angiotensin II and decreased blood plasma sodium levels. 59. Aldosterone exerts effects on principal cells of...
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  • Urinary
    ) cells of the afferent arteriole. Juxtaglomerular cells serve as baroreceptors sensitive to blood pressure within the arteriole. Macula Densa cells monitor and respond to changes in the osmolarity (or electrolyte composition) of the filtrate in the tubule. 12. After the juxtaglomerular...
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  • Osmolarity and Body Volume
    Introduction: Osmosis is the passage of water from a region of high water concentration through a semi permeable membrane to a region of low water concentration. There are three basic states in which animal cells exist when referring to osmosis, tonicity, and osmotic balances within an...
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