AP BIO SEMESTER FINAL REVIEW
(MULTIPLE CHOICE)
PHOTOSYNTHESIS & CELLULAR RESPIRATION - Correct Answers -
PHOTOSYNTHESIS & CELLULAR RESPIRATION
Matrix - Correct Answers -The mitochondrion is a critical organelle structure involved in
cellular respiration. What structural component in the mitochondrion is the primary
location of the Krebs cycle?
a. Inner membrane space
b. Matrix
c. Intermembrane space
d. Outer membrane
4 - Correct Answers -The process of glycolysis occurs int he cytoplasm of the cell and
converts 1 molecule of glucose into 2 molecules of pyruvic acid. How many net ATP
would be generated directly from glycolysis from he breakdown of 2 glucose molecules?
a. 2
b. 4
c. 8
d. 12
Glycolysis requires fermentation to synthesize lactic acid and restore NADH to NAD+. -
Correct Answers -Glycolysis doesn't require oxygen in cells. Under anaerobic
conditions, glycolysis requires fermentation pathways to occur to continue to produce
ATP. Which best describes why glycolysis is dependent on fermentation under
anaerobic conditions?
a. Glycolysis requires fermentation to prodcue more glucose as substrate
b. Glycolysis requires fermentation to synthesize lactic acid and restore NADH to NAD+
c. Glycolysis requires fermentation to generate ATP moleculesto complete the early
steps of the pathway
d. Glycolysis requires fermentation to generate pyruvate for a later step in the pathway
A difference of H+ concentration on opposite sides of the inner mitochondrial membrane
- Correct Answers -The immediate energy source that drives ATP synthesis during
oxidative phosphorylation is...
,a. the oxidation of glucose and other organic compounds
b. the flow of electrons down the electron transport chain
c. the affinity of oxygen for electrons
d. a difference in H+ concentrations on opposite sides of the inner mitochondrial
membrane
NADH is oxidized by the electron transport chain only in respiration - Correct Answers -
Which of the following is a true distinction between fermentation and cellular
respiration>
a. only respiration oxidizes glucose
b. NADH is oxidized by the electron transport chain only in respiration
c. fermentation, but not respiration, is an example of a catabolic pathway
d. substrate-level phosphorylation is unique to fermentation
Reduction of NADP+ - Correct Answers -Cooperation of the two photosystems of the
chloroplast is required for...
a. ATP synthesis
b. reduction of NADP+
c. cyclic photophosphorylation
d. oxidation of the reaction center of photosystem 1
removal of electrons from membrane-bound chlorophyll molecules in order to form
elemental oxygen and H+ - Correct Answers -Which of the following processes is most
directly driven by light energy?
a. creation of a pH gradient by pumping protons across the thylakoid membrane
b. carbon fixation in the stroma
c. reduction of NADP molecules
d. removal of electrons from membrane-bound chlorophyll molecules in order to form
elemental oxygen and H+
Chlorophyll owes its color to absorption of green light - Correct Answers -Which of the
following conclusions doesn't follow from studying the absorption spectrum for
chlorophyll a and the action spectrum for photosynthesis?
a. not all wavelengths are equally effective for photosynthesis
b. there must be accessory pigments that broaden the spectrum of light that contributes
energy for photosyntehsis
c. the red and blue areas of the spectrum are most effective in driving photosyntehsis
d. chlorophyll owes its color to the absorption of green light
chemiosmosis - Correct Answers -The figure here illustrates...
, (this is a diff pic from the actual one on the test. just study the picture, it's pretty much
the same as the actual test pic)
Glycolysis occurs in the mitochondria - Correct Answers -Which statement regarding
glycolysis is false?
a. glycolysis uses energy in glucose to convert NAD+ to NADH
b. glycolysis occurs in the mitochondria
c. glycolysis is the first step in respiration
d. glycolysis breaks glucose into 2 pyruvate molecules
The citirc acid cycle occurs only in animal cells - Correct Answers -Which statement
regarding the citric acid cycle is false?
a. the citric acid cycle occurs only in animal cells
b. the citric acid cycle occurs only when oxygen is present
c. the citric acid cycle prodcues 2 CO2 per Acetyl CoA
d. the citric acid cycle produces 3 NADH and 1 FADH per Acetyl coA
It provides the energy to make ATP - Correct Answers -What is the purpose of the H+
gradient in the electron transport chain?
a. it accepts electrons
b. it captures the energy of ATP
c. it makes water by combining with oxygen
d. it provides the energy to make ATP
decrease; increase - Correct Answers -The growth rate of a yeast using glucose as an
energy and carbon source would likely ____________ when the culture was shifted
from aerobic to anaerobic conditions; the rate of utilization of glucose would
_____________ after the transition.
a. decrease; increase
b. decrease; stay the same
c. increase; decrease
d. increase; stay the same
number of ribosomes in the cell - Correct Answers -Which of the following would NOT
affect the rate of aerobic respiration?
a. availability of oxygen
b. number of mitochondria int he cell
c. number of ribosomes in the cell
d. temperature of the environment
(MULTIPLE CHOICE)
PHOTOSYNTHESIS & CELLULAR RESPIRATION - Correct Answers -
PHOTOSYNTHESIS & CELLULAR RESPIRATION
Matrix - Correct Answers -The mitochondrion is a critical organelle structure involved in
cellular respiration. What structural component in the mitochondrion is the primary
location of the Krebs cycle?
a. Inner membrane space
b. Matrix
c. Intermembrane space
d. Outer membrane
4 - Correct Answers -The process of glycolysis occurs int he cytoplasm of the cell and
converts 1 molecule of glucose into 2 molecules of pyruvic acid. How many net ATP
would be generated directly from glycolysis from he breakdown of 2 glucose molecules?
a. 2
b. 4
c. 8
d. 12
Glycolysis requires fermentation to synthesize lactic acid and restore NADH to NAD+. -
Correct Answers -Glycolysis doesn't require oxygen in cells. Under anaerobic
conditions, glycolysis requires fermentation pathways to occur to continue to produce
ATP. Which best describes why glycolysis is dependent on fermentation under
anaerobic conditions?
a. Glycolysis requires fermentation to prodcue more glucose as substrate
b. Glycolysis requires fermentation to synthesize lactic acid and restore NADH to NAD+
c. Glycolysis requires fermentation to generate ATP moleculesto complete the early
steps of the pathway
d. Glycolysis requires fermentation to generate pyruvate for a later step in the pathway
A difference of H+ concentration on opposite sides of the inner mitochondrial membrane
- Correct Answers -The immediate energy source that drives ATP synthesis during
oxidative phosphorylation is...
,a. the oxidation of glucose and other organic compounds
b. the flow of electrons down the electron transport chain
c. the affinity of oxygen for electrons
d. a difference in H+ concentrations on opposite sides of the inner mitochondrial
membrane
NADH is oxidized by the electron transport chain only in respiration - Correct Answers -
Which of the following is a true distinction between fermentation and cellular
respiration>
a. only respiration oxidizes glucose
b. NADH is oxidized by the electron transport chain only in respiration
c. fermentation, but not respiration, is an example of a catabolic pathway
d. substrate-level phosphorylation is unique to fermentation
Reduction of NADP+ - Correct Answers -Cooperation of the two photosystems of the
chloroplast is required for...
a. ATP synthesis
b. reduction of NADP+
c. cyclic photophosphorylation
d. oxidation of the reaction center of photosystem 1
removal of electrons from membrane-bound chlorophyll molecules in order to form
elemental oxygen and H+ - Correct Answers -Which of the following processes is most
directly driven by light energy?
a. creation of a pH gradient by pumping protons across the thylakoid membrane
b. carbon fixation in the stroma
c. reduction of NADP molecules
d. removal of electrons from membrane-bound chlorophyll molecules in order to form
elemental oxygen and H+
Chlorophyll owes its color to absorption of green light - Correct Answers -Which of the
following conclusions doesn't follow from studying the absorption spectrum for
chlorophyll a and the action spectrum for photosynthesis?
a. not all wavelengths are equally effective for photosynthesis
b. there must be accessory pigments that broaden the spectrum of light that contributes
energy for photosyntehsis
c. the red and blue areas of the spectrum are most effective in driving photosyntehsis
d. chlorophyll owes its color to the absorption of green light
chemiosmosis - Correct Answers -The figure here illustrates...
, (this is a diff pic from the actual one on the test. just study the picture, it's pretty much
the same as the actual test pic)
Glycolysis occurs in the mitochondria - Correct Answers -Which statement regarding
glycolysis is false?
a. glycolysis uses energy in glucose to convert NAD+ to NADH
b. glycolysis occurs in the mitochondria
c. glycolysis is the first step in respiration
d. glycolysis breaks glucose into 2 pyruvate molecules
The citirc acid cycle occurs only in animal cells - Correct Answers -Which statement
regarding the citric acid cycle is false?
a. the citric acid cycle occurs only in animal cells
b. the citric acid cycle occurs only when oxygen is present
c. the citric acid cycle prodcues 2 CO2 per Acetyl CoA
d. the citric acid cycle produces 3 NADH and 1 FADH per Acetyl coA
It provides the energy to make ATP - Correct Answers -What is the purpose of the H+
gradient in the electron transport chain?
a. it accepts electrons
b. it captures the energy of ATP
c. it makes water by combining with oxygen
d. it provides the energy to make ATP
decrease; increase - Correct Answers -The growth rate of a yeast using glucose as an
energy and carbon source would likely ____________ when the culture was shifted
from aerobic to anaerobic conditions; the rate of utilization of glucose would
_____________ after the transition.
a. decrease; increase
b. decrease; stay the same
c. increase; decrease
d. increase; stay the same
number of ribosomes in the cell - Correct Answers -Which of the following would NOT
affect the rate of aerobic respiration?
a. availability of oxygen
b. number of mitochondria int he cell
c. number of ribosomes in the cell
d. temperature of the environment
