B) False
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A) involve the same substrates and therefore the same enzymes.
B) are exactly the same.
C) involve oxidation reactions during photosynthesis and reduction reactions during respiration.
D) involve oxidation reactions during respiration and reduction reactions during photosynthesis.
E) both involve oxidation and reduction reactions.
G) B) and E)
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A) The amount of disorder in the universe is always increasing.
B) To maintain organization of a cell, a continual input of energy is required.
C) Living cells without energy would become less organized.
D) While the total amount of energy in a system is unchanged, energy lost as heat is no longer useful to the cell in doing work.
E) Carbon dioxide and water tend to form glucose.
G) D) and E)
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A) eventually the enzyme will no longer recognize the substrate.
B) the active site will become saturated with substrate and the enzyme will not be able to go any faster.
C) another enzyme will take advantage of the excess substrate and use it for a different reaction.
D) enzymes cannot be used over and over in a reaction.
E) the enzyme will become denatured.
G) A) and D)
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A) pH of the digestive organs
B) body temperature
C) variation in enzymes produced
D) the amount of protein in the meat and fruit
E) bacteria present in the digestive tract
G) B) and C)
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A) provide the energy for metabolic reactions.
B) increase the rate of a metabolic reaction.
C) change the direction of metabolic reactions.
D) act as a buffer in metabolic reactions.
E) raise the energy of activation for a reaction.
G) B) and E)
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An endergonic reaction is one ...View Answer
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A) is a small molecule.
B) carries a positive charge.
C) contains accessible energy in phosphate bonds.
D) contains an adenine base.
E) contains a sugar ring.
G) A) and E)
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A) Their 3D shape can vary and still be active.
B) Boiling temperatures do not affect their activity.
C) They catalyze only one specific type of reaction.
D) They can associate with a wide variety of substrates.
E) They are unaffected by changes in pH.
G) A) and B)
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B) False
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The two factors that will denature a pro...View Answer
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B) False
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A) Kinetic energy is energy of motion.
B) Water stored behind a dam is an example of kinetic energy.
C) Energy in the chemical bonds of a molecule is kinetic energy.
D) Potential energy must be used immediately or it is lost.
E) Light energy is a form of chemical energy.
G) C) and D)
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A) catabolism
B) anabolism
C) moving glucose across the cell membrane
D) the beating of cilia
E) the contraction of muscle fibers
G) None of the above
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B) False
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B) False
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A) exergonic reactions.
B) endergonic reactions.
C) coupled reactions.
D) kinetic reactions.
E) catabolic reactions.
G) A) and E)
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A) If something uses energy to make itself more organized, then it is alive.
B) If something is organized, then it is alive.
C) If something moves, then it is alive.
D) If something loses heat, then it is alive.
E) If something uses energy to move, then it is alive.
G) B) and E)
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A) an endergonic reaction.
B) an exergonic reaction.
C) a coupled reaction.
D) a reversible reaction.
E) anabolism.
G) B) and D)
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