Biology II Exam II Questions and
Answers Graded A+
2 - Correct answer-For each glucose that enters glycolysis, _____ acetyl CoA enter
the citric acid cycle
6 - Correct answer-For each glucose that enters glycolysis, _____ NADH + H+ are
produced by the citric acid cycle.
oxidative phosphorylation - Correct answer-In cellular respiration, most ATP
molecules are produced by _____.
oxygen - Correct answer-The final electron acceptor of cellular respiration is
_____.
intermembrane space - Correct answer-During electron transport, energy from
NADH and FADH2 is used to pump hydrogen ions into the _____.
kinetic energy that is released as hydrogen ions diffuse down their concentration
gradient - Correct answer-The proximate (immediate) source of energy for
oxidative phosphorylation is _____.
exergonic - Correct answer-This reaction occurs spontaneously.
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, endergonic - Correct answer-This reaction requires a net input of energy from its
surroundings.
ATP - Correct answer-In cells, this is usually the immediate source of energy for an
endergonic reactions.
endergonic - Correct answer-The reaction ADP + P --> ATP is a(n) _____ reaction.
exergonic - Correct answer-The energy for an endergonic reaction comes from a(n)
_____ reaction
phosphate - Correct answer-This group is removed when ATP is converted to ADP,
and then acquired by a reactant in an endergonic reaction.
energy coupling - Correct answer-the use of energy released from an exergonic
reaction to drive an endergonic reaction
large - Correct answer-When ATP is hydrolyzed into ADP and inorganic phosphate,
a ______ amount of energy is released.
reduced - Correct answer-When one molecule gains an electron from another, the
molecule that received the electron has been _____.
Energy of activation - Correct answer-Enzymes work by reducing the ____.
enzyme - Correct answer-organic catalyst
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Answers Graded A+
2 - Correct answer-For each glucose that enters glycolysis, _____ acetyl CoA enter
the citric acid cycle
6 - Correct answer-For each glucose that enters glycolysis, _____ NADH + H+ are
produced by the citric acid cycle.
oxidative phosphorylation - Correct answer-In cellular respiration, most ATP
molecules are produced by _____.
oxygen - Correct answer-The final electron acceptor of cellular respiration is
_____.
intermembrane space - Correct answer-During electron transport, energy from
NADH and FADH2 is used to pump hydrogen ions into the _____.
kinetic energy that is released as hydrogen ions diffuse down their concentration
gradient - Correct answer-The proximate (immediate) source of energy for
oxidative phosphorylation is _____.
exergonic - Correct answer-This reaction occurs spontaneously.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, endergonic - Correct answer-This reaction requires a net input of energy from its
surroundings.
ATP - Correct answer-In cells, this is usually the immediate source of energy for an
endergonic reactions.
endergonic - Correct answer-The reaction ADP + P --> ATP is a(n) _____ reaction.
exergonic - Correct answer-The energy for an endergonic reaction comes from a(n)
_____ reaction
phosphate - Correct answer-This group is removed when ATP is converted to ADP,
and then acquired by a reactant in an endergonic reaction.
energy coupling - Correct answer-the use of energy released from an exergonic
reaction to drive an endergonic reaction
large - Correct answer-When ATP is hydrolyzed into ADP and inorganic phosphate,
a ______ amount of energy is released.
reduced - Correct answer-When one molecule gains an electron from another, the
molecule that received the electron has been _____.
Energy of activation - Correct answer-Enzymes work by reducing the ____.
enzyme - Correct answer-organic catalyst
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