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32 Cards in this Set
- Front
- Back
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Energy moves through food chains from heterotrophs to autotrophs
T/F |
F
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Fermentation and aerobic respiration both take place in the absence of oxygen t/f
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F
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Lactic acid fermentation is a type of anaerobic process
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T
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The most common method of carbon dioxide fixation is the electron transport chain
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f
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Oxygen is not present during aerobic respiration
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F
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Glycolysis is carried out in the cytoplasm of cells
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T
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Glycolysis occurs during the second stage of cellular respiration
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f
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Glycolysis breaks down glucose into two pyruvates
t/F |
T
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When glycolysis occurs
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1.a molecule of glucose is split
2.two pyruvates are made. 3. some ATP is produced |
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The major atmospheric by-product of photosynthesis is
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oxygen
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Water is an end product in
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the electron transport chain
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Energy released from ATP
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drives most of a cell's activities
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Light energy is converted to chemical energy through the process of
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photosynthesis
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The dark reactions of photosynthesis
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require ATP and NADPH
b. are light-interdependent c. generate sugars |
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The process of cellular respiration
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breaks down food molecules to release stored energy
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The process in which plants capture energy and make organic molecules is known as
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photosynthesis
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Whe a phosphate group is removed from an ATP molecule,
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a substantial amount of energy is released
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Fermentation enables glycolysis to continue under
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anaerobic conditions
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Which of the following is not part of cellular respiration
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Calvin Cycle
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Hetertrophs get energy
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a. from organic molecules
b. through cellular respiration c. from breaking down food molecules D. all of the above |
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Chemical energy stored in food molecules is released through
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cellular respiration
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If oxygen is absent during the secon stage of cellular respiration
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fermentation will occur
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Cells produce ATP most efficiently in the presence of
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oxygen
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The source of oxygen produced during photosynthesis is
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water
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Many autotrophs obtain the energy they need for metabolism through
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photosynthesis
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Acetyl-CoA
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a. is formed from the breakdown of pyruvate
b. enters the Krebs cycle c. combines with a four-carbon compound |
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photosynthesis:oxygen
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cellular respiration:carbon dioxide
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During the first stage of cellular respiratiion, glucose is converted to _____________________
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pyruvate
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When a phosphate group is removed from ATP molecule, a(n) ___________ molecule is formed
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ADP
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Glucose is split into smaller molecules during a biochemical pathway called _____________
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glycolysis
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Three factors affecting the rate of photosynthesis are light intensity, _____________ _______________ concentration and temperature.
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carbon dioxide
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________________ is known as the energy currency of a cell
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ATP
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