Energy Systems The ATP – CP system is primarily used for short duration exercises (about ten to twelve seconds) which involve a high intensity or explosive movements. Energy is stored within the chemical bonds between the Adenosine and the three phosphate molecules. Water is added in the chemical reaction‚ causing one of the bonds to break‚ which releases one molecule of energy from the phosphate. This molecule is used for the muscle contraction. The ATP then turns into ADP as it’s lost a phosphate
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Unit 2. Chapters 9-16. Cell Processes 1. Cellular Respiration‚ Photosynthesis‚ Cell Cycle‚ Mitosis‚ Meiosis‚ & Genetics. Note A: All work must be hand-written‚ including charts & diagrams. Note B: each answer requires more than one sentence & use diagrams whenever possible; failure to use diagrams will result in less points. Chapter 9 Outline 1) Principles of Energy Conservation a) Cellular respiration and fermentation are catabolic(energy – yielding) pathways b) Cells must recycle the ATP
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Oxidations – loss of electrons • Dehydrogenations – lost electrons are accompanied by protons – A hydrogen atom is lost (1 electron‚ 1 proton) Redox • During redox reactions‚ electrons carry energy from one molecule to another • Nicotinamide adenosine dinucleotide (NAD+) – Is an electron carrier – NAD+ accepts 2 electrons and 1 proton to become NADH – Reaction is reversible NAD+ to NADH • How may electrons does NAD+ need to be neutral? – 1 electron • How many electrons and protons
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Essential Medical Bioscience and Introduction to Body Systems Practice Questions: Lectures 1 - 10 LECTURE 1: Keeping a clean and organized home and clutter-free work place is part of: A. Physical Health Dimension B. Social Health Dimension C. Environmental Health Dimension D. Mental Health Dimension E. Spiritual Health Dimension Building and maintaining effective relationships with family and friends is part of: A. Physical Health Dimension B. Social Health Dimension C. Environmental Health Dimension
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Lactate Dehydrogenase (LDH) is an cytosolic enzyme that participates in anaerobic glycolysis. LDH couples the reduction of pyruvate into lactic acid to the oxidation of NADH to NAD+‚ which allows glycolysis to continue to produce ATP in the absence of oxygen. LDH is a tetramer‚ a protein complex of 4 polypeptide subunits‚ composed either a subunit expressed strongly in the heart‚ H type‚or a subunit that is highly expressed in the muscle‚ M type. There are 5 isozymes of LDH composed the 2 subunit
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Communication‚ Homeostasis & Energy Communication & Homeostasis Outline the need for communication systems within multicellular organisms‚ with reference to the need to respond to changes in the internal and external environment and to co-ordinate the activities of different organs. Organisms need to respond to external stimuli‚ e.g. temperature‚ oxygen concentration and levels of sunlight. These may be over time‚ e.g. winter fur to summer fur‚ or quickly‚ e.g. changing size of pupils. Internal
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M4A1 Midterm Essay BIO110 Excelsior College 1. You are the biologist in a group of scientists who have traveled to a distant star system and landed on a planet. You see an astounding array of shapes and forms. You have three days to take samples of living things before returning to earth. How do you decide what is alive? If three days is all I have to take samples of living things‚ then it would be very hard to determine what is truly alive‚ as the time restriction only allows for certain
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The Effect of Boiling on the Rate of Aerobic Respiration of Germinating Peas Abstract Aerobic respiration is an enzyme mediated process during which glucose is used to make ATP to fuel the cells energy needs. Germination is one of such processes that make use of aerobic respiration and because certain factors can affect aerobic respiration‚ it would also affect germination. In this experiment‚ we examined the effects of boiling on the rate of aerobic respiration of germinating peas. Unboiled
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*This is a lab report from a previous 181 lab written by a student. It has been modified and cut short a little to convey some important pointers to writing lab reports. The left columns indicate the pointers and some instructions. Please read those carefully. The text material has been provided so that you may have an example of a lab that you have already done. *You should not write the report in table format (this is only for illustration). Also‚ I expect graphs‚ tables‚ and math equations in
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A cycle is defined as any complete round or series of occurrences that repeats or is repeated in the same order and at the same intervals. The natural existence of cycles is highly important without cycles resources would run out and organisms would die. The amount of carbon nitrogen and oxygen on the earth is fixed‚ they can exists in different forms but no more may be added. So that these don’t run out they are cycles so they may be reused. Photosynthesis and respiration are the reverse of each
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