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Name 3 stages of cellular respiration |
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Definition
1. glycolysis 2. electron transport 3. cellular krebs cycle |
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what is the sequence of eents in cellular respiration |
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Definition
glycolysis--> krebs cycle--> electron transport |
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what is the correct equation for cellular respiration |
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Definition
6o2+c6h12o2-->6co2+6h2o+energy breathe in oxygen, sugars start to flow, breathe out carbon dioxide, sweat, energy is produced |
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define cellular respiration |
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Definition
the process of releasing energy by breaking down food molecules |
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Definition
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what are the reactants in the equation for cellular respiration |
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Definition
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Definition
what is produced by something |
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what are the products of cellular respiration |
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Definition
water, carbon dioxide, and energy |
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Term
which part of cellular respiration takes place in the cytoplasm |
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Definition
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glycolysis provides a cell with the net gain of |
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Definition
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name 3 products of glycolysis |
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Definition
1. NADH 2. ATP 3. pyruvic acid |
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Term
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Definition
electron carrier in cellular respiration |
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Term
what are the two main types of fermentation |
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Definition
lactic acid and alcoholic |
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Term
where does lactic acid fermentation occur |
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Definition
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Term
one cause of muscle soreness is |
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Definition
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Term
what does lactic acid fermentation do |
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Definition
it regenerates NAD+, which allows glycolysis to continue |
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Term
if oxygen is present, which stage of cellular respiration follows glycolysis |
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Definition
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Term
what is the starting molecule for the Krebs cycle |
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Definition
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Term
what does the Krebs cycle produce |
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Definition
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Term
what does the Krebs cycle start with |
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Definition
pyruvic acid and yields carbon dioxide |
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Term
what do NADH and FADH2 do |
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Definition
they pass high-energy electrons into the electron transport chain |
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Term
each pair of high-energy electrons that move down the electron transport chain provide enough energy to |
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Definition
convert 3 ADP molecules into 3 ATP molecules |
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Term
the energy of the electrons passing along the electron transport chain is used to make |
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Definition
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Term
breathing heavily after running a race is your body's way of |
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Definition
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Term
when the body needs to exercise for longer than 30 seconds, it generates ATP by carrying out |
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Definition
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Term
the energy needed to win a 2 minute footrace is produced mostly by |
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Definition
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why do even well-conditioned athletes have to pace themselves for long athletic events |
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Definition
cellular respiration releases energy more slowly than fermentation does |
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Term
how are cellular respiration and photosynthesis almost opposite processes |
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Definition
photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back |
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Term
what needs to be present for cellular respiration to occur |
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Definition
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Term
if people and animals stop carrying out cellular respiration, what will happen to them? |
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Definition
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Term
what carries electrons from the Krebs cycle to the elctron transport chain |
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Definition
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Term
what happens during the first few seconds of an intensive exercise |
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Definition
the cell uses up its stored ATP |
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Term
During the course of a long race, a person's muscle cells will use |
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Definition
both cellular respiration and lactic acid fermentation |
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does glycolysis require oxygen |
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Definition
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without oxygen, a cell can produces |
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Definition
2 molecule of ATP from each glucose molecule |
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Term
what does glycolysis convert glucose into |
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Definition
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Term
what is the electron transport chain |
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Definition
a series of carrier proteins |
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Term
how does the body get rid of lactic acid |
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Definition
it uses chemical pathways that require oxygen |
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Term
does a person who exercises often take in less oxygen or more oxygen |
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Definition
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Term
where do eldectrons moving along the inner membrane come from |
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Definition
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Term
a high level of lactic acid in the blood is a sign that |
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Definition
lactic acid fermentation has occured |
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Term
a high level of lactic acid in the blood is a sign that |
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Definition
lactic acid fermentation has occured |
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