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32 Cards in this Set

  • Front
  • Back
Energy moves through food chains from heterotrophs to autotrophs
T/F
F
Fermentation and aerobic respiration both take place in the absence of oxygen t/f
F
Lactic acid fermentation is a type of anaerobic process
T/F
T
The most common method of carbon dioxide fixation is the electron transport chain

T/F
f
Oxygen is not present during aerobic respiration
T/F
F
Glycolysis is carried out in the cytoplasm of cells
T/F
T
Glycolysis occurs during the second stage of cellular respiration
T/F
f
Glycolysis breaks down glucose into two pyruvates
t/F
T
When glycolysis occurs
1.a molecule of glucose is split
2.two pyruvates are made.
3. some ATP is produced
The major atmospheric by-product of photosynthesis is
oxygen
Water is an end product in
the electron transport chain
Energy released from ATP
drives most of a cell's activities
Light energy is converted to chemical energy through the process of
photosynthesis
The dark reactions of photosynthesis
require ATP and NADPH
b. are light-interdependent
c. generate sugars
The process of cellular respiration
breaks down food molecules to release stored energy
The process in which plants capture energy and make organic molecules is known as
photosynthesis
Whe a phosphate group is removed from an ATP molecule,
a substantial amount of energy is released
Fermentation enables glycolysis to continue under
anaerobic conditions
Which of the following is not part of cellular respiration
Calvin Cycle
Hetertrophs get energy
a. from organic molecules
b. through cellular respiration
c. from breaking down food molecules

D. all of the above
Chemical energy stored in food molecules is released through
cellular respiration
If oxygen is absent during the secon stage of cellular respiration
fermentation will occur
Cells produce ATP most efficiently in the presence of
oxygen
The source of oxygen produced during photosynthesis is
water
Many autotrophs obtain the energy they need for metabolism through
photosynthesis
Acetyl-CoA
a. is formed from the breakdown of pyruvate
b. enters the Krebs cycle
c. combines with a four-carbon compound
photosynthesis:oxygen
cellular respiration:carbon dioxide
During the first stage of cellular respiratiion, glucose is converted to _____________________
pyruvate
When a phosphate group is removed from ATP molecule, a(n) ___________ molecule is formed
ADP
Glucose is split into smaller molecules during a biochemical pathway called _____________
glycolysis
Three factors affecting the rate of photosynthesis are light intensity, _____________ _______________ concentration and temperature.
carbon dioxide
________________ is known as the energy currency of a cell
ATP