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stands for adenosine triphosphate |
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Term
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Definition
ADENINE- a nitrogen-containing compound called adenine and a five-carbon sugar called ribose
TRIPHOSPHATE- "tail" consists of 3 phosphate groups, the "tail is the source of energy used most for cellular work
Each phosphate group is negatively charged |
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when atp is involved in a chemical reaction that breaks one or both of these phosphate bonds, potential energy is released
resulting molecule is ADP |
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3 main types of cell work |
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chemical-building large molecules like protein, mechanical-conctraction of a muscle, transport- pumping solutes such as ions across a cellular membrane |
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what is the source of energy for regaining atp from adp |
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organic molecules from food |
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a working muscle cell recycles all of its ~600 million atp molecules how fast |
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the chemical energy stored in organic compounds must |
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be converted into energy stored in another molecule |
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compare atp cycle to spring |
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atp-loaded spring, adp-unloaded spring |
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releasing energy from atp for the cell involves what kind of reaction? |
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storing energy to make atp involves what type of reaction? |
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adenine, ribosome, 3 phosphoric acids |
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3 types of cellular respiration how much atp |
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aerobic respiration-38 lactic acid fermentation-2 alcohol fermentation-2 |
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what is cellular respiration |
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the release of chemical energy from glucose with oxygen |
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when glucose enters the cytoplasm of a cell, what is the first thing to happen? |
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they are immediately broken down into 3 carbon molecules called pyruvic acids |
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hydrolysis reaction to break down glucose |
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where does the 2nd phase of cellular respiration take place |
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what needs to be present in order for aerobis respiration |
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aerobic respiration equation |
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glucose+6o2->6co2+6h2o+38atp |
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glucose->2 lactic acid+2atp |
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what type of organism might undergo "alcohol fermentation" |
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alcohol fermentation equation |
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glucose->2co2+2ethanol+2atp |
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energy flows and is recycled |
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energy from respiration is not directly used for photosynthesis but energy from photosynthesis is used for respiration |
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