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1. The product(s) of the light reactions of photosynthesis is/are
a. pyruvate b. glucose c. ATP and NADPH d. CO2 and H2O e. ribulose bisphosphate
(RuBP)
1. The product(s) of the light reactions of photosynthesis is/are
a. pyruvate b. glucose c. ATP and NADPH d. CO2 and H2O e. ribulose bisphosphate
(RuBP)
2. How many ATP are produced for every molecule of FADH2 that transfers high-energy electrons to the electron transport chain?
a. 1 b. 2 c. 3 d. 4 e. 5
2. How many ATP are produced for every molecule of FADH2 that transfers high-energy electrons to the electron transport chain?
a. 1 b. 2 c. 3 d. 4 e. 5
3. Which of the following generates the most ATP?
a. fermentation
b. glycolysis
c. active transport
d. substrate-level phosphorylation
e. oxidative phosphorylation
3. Which of the following generates the most ATP?
a. fermentation
b. glycolysis
c. active transport
d. substrate-level phosphorylation
e. oxidative phosphorylation
4. Pyruvate is a product of
a. the e- transport chain
b. glycolysis
c. Krebs cycle
d. Calvin cycle
e. oxidative phosphorylation
4. Pyruvate is a product of
a. the e- transport chain
b. glycolysis
c. Krebs cycle
d. Calvin cycle
e. oxidative phosphorylation
5. Oxygen is reduced to H2O in what stage of aerobic respiration?
a. glycolysis
b. Krebs cycle
c. e- transport chain
d. all of the above
e. none of the above
5. Oxygen is reduced to H2O in what stage of aerobic respiration?
a. glycolysis
b. Krebs cycle
c. e- transport chain
d. all of the above
e. none of the above
6. In which of the following is H2O split to form H+, O2, and e-?
a. photosystem II
b. photosystem I
c. cyclic photophosphorylation
d. Calvin cycle
e. fermentation
6. In which of the following is H2O split to form H+, O2, and e-?
a. photosystem II
b. photosystem I
c. cyclic photophosphorylation
d. Calvin cycle
e. fermentation
7. All of the following statements are correct regarding the light reaction of photosynthesis EXCEPT
a. The antenna pigments capture sunlight.
b. the reaction center in photosystem II is P680.
c. Light energy is converted to chemical energy
d. The e- are activated and passed along an e- transport chain
e. CO2 is used to make glucose
7. All of the following statements are correct regarding the light reaction of photosynthesis EXCEPT
a. The antenna pigments capture sunlight.
b. the reaction center in photosystem II is P680.
c. Light energy is converted to chemical energy
d. The e- are activated and passed along an e- transport chain
e. CO2 is used to make glucose
9. Which of the following processes requires sunlight, ADP, and water?
a. photosystem I
b. photosystem II
c. glycolysis
d. Calvin cycle
e. e- transport system
9. Which of the following processes requires sunlight, ADP, and water?
a. photosystem I
b. photosystem II
c. glycolysis
d. Calvin cycle
e. e- transport system
10. The primary difference between C3 and C4 pathway is
a. C4 has special pigments involved in photosynthesis.
b. C3 plants use CO2 to make glucose whereas C4 plants use O2.
c. C3 plants fix C during the day whereas C4 plants fix C during the night
d. C4 plants have a higher rate of photosynthesis than C3 plants
e. C3 plants are better adapted to intense sunlight than C4 plants.
10. The primary difference between C3 and C4 pathway is
a. C4 has special pigments involved in photosynthesis.
b. C3 plants use CO2 to make glucose whereas C4 plants use O2.
c. C3 plants fix C during the day whereas C4 plants fix C during the night
d. C4 plants have a higher rate of photosynthesis than C3 plants
e. C3 plants are better adapted to intense sunlight than C4 plants.
11. Which of the following statements is true concerning enzymes? a. They always require a coenzyme.
b. They become hydrolyzed during a chemical reaction
c. They are consumed in the reaction
d. They operate under a narrow pH
e. They are polymers of carbohydrates
11. Which of the following statements is true concerning enzymes? a. They always require a coenzyme.
b. They become hydrolyzed during a chemical reaction
c. They are consumed in the reaction
d. They operate under a narrow pH
e. They are polymers of carbohydrates
12. One of the outcomes of noncyclic photophosphorylation that does not occur in cyclic phosphorylation is
a. light energy is absorbed b. ATP is produced c. NADPH is produced d. e- are passed along e-
transport chain e. e- trapped by photosystem I
are energized by sunlight
12. One of the outcomes of noncyclic photophosphorylation that does not occur in cyclic phosphorylation is
a. light energy is absorbed b. ATP is produced c. NADPH is produced d. e- are passed along e-
transport chain e. e- trapped by photosystem I
are energized by sunlight
13. Enzymes are affected by all of the following EXCEPT
a. pH
b. temperature
c. chemical agents
d. concentration of substrates
e. concentration of water
13. Enzymes are affected by all of the following EXCEPT
a. pH
b. temperature
c. chemical agents
d. concentration of substrates
e. concentration of water
14. The reaction below represents what type of reaction?
C6H12O6 + 6O2 6CO2 + 6H2O + energy
a. aerobic respiration b. anaerobic respiration c. glycolysis d. fermentation e. photosynthesis
14. The reaction below represents what type of reaction?
C6H12O6 + 6O2 6CO2 + 6H2O + energy
a. aerobic respiration b. anaerobic respiration c. glycolysis d. fermentation e. photosynthesis
15. All of the following stages are considered aerobic EXCEPT
a. Krebs cycle
b. formation of acetyl-CoA
c. glycolysis
d. oxidative phosphorylation
15. All of the following stages are considered aerobic EXCEPT
a. Krebs cycle
b. formation of acetyl-CoA
c. glycolysis
d. oxidative phosphorylation
16. Eukaryotes carry out oxidative phosphorylation in the mitochondrion. The analogous structure used by prokaryotes to carry out oxidative phosphorylation is the
a. nuclear membrane b. cell wall c. plasma membrane d. ribosome e. endoplasmic reticulum
16. Eukaryotes carry out oxidative phosphorylation in the mitochondrion. The analogous structure used by prokaryotes to carry out oxidative phosphorylation is the
a. nuclear membrane b. cell wall c. plasma membrane d. ribosome e. endoplasmic reticulum
17. When homologous chromosomes come into close contact during meiosis I, it is called
a. crossing-over
b. synapsis
c. tetrad
d. cytokinesis
e. interphase
17. When homologous chromosomes come into close contact during meiosis I, it is called
a. crossing-over
b. synapsis
c. tetrad
d. cytokinesis
e. interphase
18. During meiosis there are two rounds of all of the following stages EXCEPT
a. prophase
b. metaphase
c. anaphase
d. telophase
e. interphase
18. During meiosis there are two rounds of all of the following stages EXCEPT
a. prophase
b. metaphase
c. anaphase
d. telophase
e. interphase
20. All of the following events occur during meiosis I EXCEPT
a. homologous chromosomes become closely associated during synapsis
b. sister chromatids disjoin and chromosomes move to opposite poles
c. tetrads are held together at chiasmata
d. nucleolus disappears and chromatin condenses
e. genetic material is exchange between nonsister chromatids
20. All of the following events occur during meiosis I EXCEPT
a. homologous chromosomes become closely associated during synapsis
b. sister chromatids disjoin and chromosomes move to opposite poles
c. tetrads are held together at chiasmata
d. nucleolus disappears and chromatin condenses
e. genetic material is exchange between nonsister chromatids
a. pyruvic acid
b. alcoholic fermentation
c. FAD+
d. ATP synthase
e. cofactor
20. An oxidized coenzyme
21. method of anaerobic respiration
22. end product of glycolysis
23. enzyme that utilizes the proton motive force of chemiosmosis
24. A compound that plays in the catalytic action of an enzyme
a. pyruvic acid
b. alcoholic fermentation
c. FAD+
d. ATP synthase
e. cofactor
20. An oxidized coenzyme C
21. method of anaerobic respiration B
22. end product of glycolysis A
23. enzyme that utilizes the proton motive force of chemiosmosis D
24. A compound that plays in the catalytic action of an enzyme E
a. stroma
b. thylakoids
c. photolysis
d. carotenoids
e. ribulose bisphosphate
25. contains enzymes of the carbon-fixing reactions
26. contains enzymes of photophosphorylation
27. 5-C molecule in dark reaction
28. molecule accepts CO2 during Calvin cycle
a. stroma
b. thylakoids
c. photolysis
d. carotenoids
e. ribulose bisphosphate
25. contains enzymes of the carbon-fixing reactions A
26. contains enzymes of photophosphorylation B
27. 5-C molecule in dark reaction E
28. molecule accepts CO2 during Calvin cycle E
a. stomata
b. cytoplasm
c. chlorophyll
d. thylakoid
e. stroma
30. site of the light reactions
31. regulates entrance of CO2
32. site of the Calvin cycle
a. stomata
b. cytoplasm
c. chlorophyll
d. thylakoid
e. stroma
30. site of the light reactions D
31. regulates entrance of CO2 A
32. site of the Calvin cycle E
a. G2 phase b. chromatin c. centromere d. centrioles e. S phase 33. DNA-protein complex making up
eukaryotic chromosomes 34. Period during which DNA is
replicated 35. Structure that holds chromatids
together 36. Contained within microtubule
organizing centers 37. Period of renewed protein
synthesis
a. G2 phase b. chromatin c. centromere d. centrioles e. S phase 33. DNA-protein complex making up
eukaryotic chromosomes B 34. Period during which DNA is
replicated E 35. Structure that holds chromatids
together C 36. Contained within microtubule
organizing centers D 37. Period of renewed protein
synthesis A
a. prophase b. metaphase c. anaphase d. telophase e. cytokinesis 38. the split sister chromatids, now
considered to be chromosomes, are moved to the opposite poles of the cell
39. Nucleus deteriorates and mitotic spindle forms
40. Two daughter cells are split apart 41. Sister chromatids line up along
equator of cell
a. prophase b. metaphase c. anaphase d. telophase e. cytokinesis 38. the split sister chromatids, now
considered to be chromosomes, are moved to the opposite poles of the cell C
39. Nucleus deteriorates and mitotic spindle forms A
40. Two daughter cells are split apart E 41. Sister chromatids line up along equator
of cell B
42. During which phase does crossing over occur?
a. metaphase of mitosis
b. metaphase I of meiosis
c. prophase of mitosis
d. prophase I of meiosis
e. anaphase I of meiosis
42. During which phase does crossing over occur?
a. metaphase of mitosis
b. metaphase I of meiosis
c. prophase of mitosis
d. prophase I of meiosis
e. anaphase I of meiosis
43. Which of the following is NOT true about cyclin-dependent kinase (CDK)?
a. It is present only during the M phase of the cell cycle.
b. When enough of it is combined with cyclin, the MPF (mitosis promoting factor) formed initiates mitosis.
c. It is a protein that controls other proteins using phosphate groups.
d. It is present at all times during the cell cycle.
43. Which of the following is NOT true about cyclin-dependent kinase (CDK)?
a. It is present only during the M phase of the cell cycle.
b. When enough of it is combined with cyclin, the MPF (mitosis promoting factor) formed initiates mitosis.
c. It is a protein that controls other proteins using phosphate groups.
d. It is present at all times during the cell cycle.
44. Which of the following statements is true about a human meiotic cell after it has completed meiosis I?
a. It is diploid (2n). b. It is haploid (n). c. It has divided into four daughter cells.
d. It proceeds directly to meiosis II without an intermission.