weakest link… or really a game that’s similar to weakest link
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Weakest Link…Weakest Link…or really a game that’s similar or really a game that’s similar
to Weakest Linkto Weakest Link
Question 1Question 1
1. Pyruvate is formed from 1. Pyruvate is formed from glycolysisglycolysis
A. on the inner A. on the inner mitochondrial membrane. mitochondrial membrane.
B. in the mitochondrial B. in the mitochondrial matrix.matrix.
C. in the cytoplasm.C. in the cytoplasm. D. in the stroma of a D. in the stroma of a
chloroplast.chloroplast.
1. Pyruvate is formed from 1. Pyruvate is formed from glycolysisglycolysis
A. on the inner A. on the inner mitochondrial membrane. mitochondrial membrane.
B. in the mitochondrial B. in the mitochondrial matrix.matrix.
C. in the cytoplasm.C. in the cytoplasm. D. in the stroma of a D. in the stroma of a
chloroplast.chloroplast.
Question 2Question 2Bank?
2. Molecular oxygen (O2. Molecular oxygen (O22) is ) is produced inproduced in
A. the light reactions alone.A. the light reactions alone. B. the Calvin cycle alone.B. the Calvin cycle alone. C. both the light reactions C. both the light reactions
and the Calvin cycle.and the Calvin cycle. D. neither the light D. neither the light
reactions nor the Calvin reactions nor the Calvin cycle.cycle.
2. Molecular oxygen (O2. Molecular oxygen (O22) is ) is produced inproduced in
A. the light reactions alone.A. the light reactions alone. B. the Calvin cycle alone.B. the Calvin cycle alone. C. both the light reactions C. both the light reactions
and the Calvin cycle.and the Calvin cycle. D. neither the light D. neither the light
reactions nor the Calvin reactions nor the Calvin cycle.cycle.
Question 3Question 3Bank?
3. Which one of the stages of 3. Which one of the stages of respiration normally occurs respiration normally occurs whether or not oxygen is whether or not oxygen is present?present?
A. glycolysisA. glycolysis B. conversion of pyruvate to B. conversion of pyruvate to
acetyl CoAacetyl CoA C. Krebs cycleC. Krebs cycle D. electron transport chainD. electron transport chain
3. Which one of the stages of 3. Which one of the stages of respiration normally occurs respiration normally occurs whether or not oxygen is whether or not oxygen is present?present?
A. glycolysisA. glycolysis B. conversion of pyruvate to B. conversion of pyruvate to
acetyl CoAacetyl CoA C. Krebs cycleC. Krebs cycle D. electron transport chainD. electron transport chain
Question 4Question 4Bank?
4. Which of the following is 4. Which of the following is NOT formed during the NOT formed during the Krebs cycle?Krebs cycle?
A. NADPH A. NADPH B. FADHB. FADH22 C. carbon dioxideC. carbon dioxide D. NADHD. NADH
4. Which of the following is 4. Which of the following is NOT formed during the NOT formed during the Krebs cycle?Krebs cycle?
A. NADPHA. NADPH B. FADHB. FADH22 C. carbon dioxideC. carbon dioxide D. NADHD. NADH
Question 5Question 5Bank?
5. In a plant cell, where is 5. In a plant cell, where is ATP synthase located?ATP synthase located?
A. thylakoid membrane A. thylakoid membrane B. plasma membraneB. plasma membrane C. inner mitochondrial C. inner mitochondrial
membranemembrane D. both A and CD. both A and C
5. In a plant cell, where is 5. In a plant cell, where is ATP synthase located?ATP synthase located?
A. thylakoid membrane A. thylakoid membrane B. plasma membraneB. plasma membrane C. inner mitochondrial C. inner mitochondrial
membranemembrane D. both A and CD. both A and C
Question 6Question 6Bank?
6. Approximately how many 6. Approximately how many molecules of ATP are molecules of ATP are produced from the complete produced from the complete break down of one molecule break down of one molecule of glucose?of glucose?
A. 2 A. 2 B. 12B. 12 C. 24C. 24 D. 36D. 36
6. Approximately how many 6. Approximately how many molecules of ATP are molecules of ATP are produced from the complete produced from the complete break down of one molecule break down of one molecule of glucose?of glucose?
A. 2 A. 2 B. 12B. 12 C. 24C. 24 D. 36D. 36
Question 7Question 7Bank?
7. Which of the following 7. Which of the following statements is true of glycolysis statements is true of glycolysis followed by fermentation?followed by fermentation?
A. It can only be performed by A. It can only be performed by bacteria. bacteria.
B. It is an aerobic process.B. It is an aerobic process. C. It produces a small amount C. It produces a small amount
of ATP.of ATP. D. It produces more energy D. It produces more energy
than aerobic respiration.than aerobic respiration.
7. Which of the following 7. Which of the following statements is true of glycolysis statements is true of glycolysis followed by fermentation?followed by fermentation?
A. It can only be performed by A. It can only be performed by bacteria. bacteria.
B. It is an aerobic process.B. It is an aerobic process. C. It produces a small amount C. It produces a small amount
of ATP.of ATP. D. It produces more energy D. It produces more energy
then aerobic respiration.then aerobic respiration.
Question 8Question 8Bank?
8. The organelle that is the 8. The organelle that is the major producer of ATP in major producer of ATP in both autotrophs and both autotrophs and heterotrophs is the heterotrophs is the
A. chloroplast.A. chloroplast. B. mitochondria.B. mitochondria. C. lysosome.C. lysosome. D. ribosome.D. ribosome.
8. The organelle that is the 8. The organelle that is the major producer of ATP in major producer of ATP in both autotrophs and both autotrophs and heterotrophs is the heterotrophs is the
A. chloroplast.A. chloroplast. B. mitochondria.B. mitochondria. C. lysosome.C. lysosome. D. ribosome.D. ribosome.
Question 9Question 9Bank?
9. The light reactions of 9. The light reactions of photosynthesis supply the photosynthesis supply the Calvin cycle withCalvin cycle with
A. ATP and NADPH.A. ATP and NADPH. B. water and NADH.B. water and NADH. C. carbon dioxide and ATP.C. carbon dioxide and ATP. D. light energy.D. light energy.
9. The light reactions of 9. The light reactions of photosynthesis supply the photosynthesis supply the Calvin cycle withCalvin cycle with
A. ATP and NADPH.A. ATP and NADPH. B. water and NADH.B. water and NADH. C. carbon dioxide and ATP.C. carbon dioxide and ATP. D. light energy.D. light energy.
Question 10Question 10Bank?
10. Most of the ATP 10. Most of the ATP produced during respiration produced during respiration is from is from
A. glycolysis.A. glycolysis. B. the Krebs cycle.B. the Krebs cycle. C. the ETC.C. the ETC. D. fermentation.D. fermentation.
10. Most of the ATP 10. Most of the ATP produced during respiration produced during respiration is from is from
A. glycolysis.A. glycolysis. B. the Krebs cycle.B. the Krebs cycle. C. the ETC.C. the ETC. D. fermentation.D. fermentation.
Question 11Question 11Bank?
11. The synthesis of ATP by 11. The synthesis of ATP by the mechanism of ATP the mechanism of ATP synthase occurs duringsynthase occurs during
A. photosynthesis alone. A. photosynthesis alone. B. respiration alone.B. respiration alone. C. both photosynthesis and C. both photosynthesis and
respiration.respiration. D. neither photosynthesis D. neither photosynthesis
nor respiration.nor respiration.
11. The synthesis of ATP by 11. The synthesis of ATP by the mechanism of ATP the mechanism of ATP synthase occurs duringsynthase occurs during
A. photosynthesis alone. A. photosynthesis alone. B. respiration alone.B. respiration alone. C. both photosynthesis and C. both photosynthesis and
respiration.respiration. D. neither photosynthesis D. neither photosynthesis
nor respiration.nor respiration.
Question 12Question 12Bank?
12. Most carbon dioxide 12. Most carbon dioxide from catabolism is released from catabolism is released duringduring
A. glycolysis. A. glycolysis. B. the Krebs cycle.B. the Krebs cycle. C. lactate fermentation.C. lactate fermentation. D. the Calvin cycle.D. the Calvin cycle.
12. Most carbon dioxide 12. Most carbon dioxide from catabolism is released from catabolism is released duringduring
A. glycolysis. A. glycolysis. B. the Krebs cycle.B. the Krebs cycle. C. lactate fermentation.C. lactate fermentation. D. the Calvin cycle.D. the Calvin cycle.
Question 13Question 13Bank?
13. Where is ATP synthase 13. Where is ATP synthase located in the located in the mitochondrion?mitochondrion?
A. inner membraneA. inner membrane B. outer membraneB. outer membrane C. thylakoid membraneC. thylakoid membrane D. both A and CD. both A and C
13. Where is ATP synthase 13. Where is ATP synthase located in the located in the mitochondrion?mitochondrion?
A. inner membraneA. inner membrane B. outer membraneB. outer membrane C. thylakoid membraneC. thylakoid membrane D. both A and CD. both A and C
Question 14Question 14Bank?
14. In photosynthesis, 14. In photosynthesis, water is water is
A. phosphorylated.A. phosphorylated. B. reduced.B. reduced. C. oxidized.C. oxidized. D. produced.D. produced.
14. In photosynthesis, 14. In photosynthesis, water is water is
A. phosphorylated.A. phosphorylated. B. reduced.B. reduced. C. oxidized.C. oxidized. D. produced.D. produced.
Question 15Question 15Bank?
15. All of the following 15. All of the following substances are produced in substances are produced in a muscle cell under a muscle cell under anaerobic conditions anaerobic conditions EXCEPTEXCEPT
A. ATP.A. ATP. B. pyruvate.B. pyruvate. C. NADHC. NADH D. acetyl CoAD. acetyl CoA
15. All of the following 15. All of the following substances are produced in substances are produced in a muscle cell under a muscle cell under anaerobic conditions anaerobic conditions EXCEPTEXCEPT
A. ATP.A. ATP. B. pyruvate.B. pyruvate. C. NADHC. NADH D. acetyl CoAD. acetyl CoA
Question 16Question 16Bank?
16. The Calvin cycle 16. The Calvin cycle requires all of the following requires all of the following molecules EXCEPTmolecules EXCEPT
A. carbon dioxide.A. carbon dioxide. B. ATP.B. ATP. C. glucose.C. glucose. D. NADPH.D. NADPH.
16. The Calvin cycle 16. The Calvin cycle requires all of the following requires all of the following molecules EXCEPTmolecules EXCEPT
A. carbon dioxide.A. carbon dioxide. B. ATP.B. ATP. C. glucose.C. glucose. D. NADPH.D. NADPH.
Question 17Question 17Bank?
17. Which of the following is true 17. Which of the following is true about anaerobic respiration?about anaerobic respiration?
A. One of the products of lactic A. One of the products of lactic acid fermentation is carbon acid fermentation is carbon dioxide.dioxide.
B. Muscle cells are able to B. Muscle cells are able to transform pyruvate into ethanol.transform pyruvate into ethanol.
C. NADH is reduced back to NAD C. NADH is reduced back to NAD in both types of fermentation in in both types of fermentation in order to continue glycolysis.order to continue glycolysis.
D. none of the above are trueD. none of the above are true
17. Which of the following is true 17. Which of the following is true about anaerobic respiration?about anaerobic respiration?
A. One of the products of lactic A. One of the products of lactic acid fermentation is carbon acid fermentation is carbon dioxide.dioxide.
B. Muscle cells are able to B. Muscle cells are able to transform pyruvate into ethanol.transform pyruvate into ethanol.
C. NADH is reduced back to NAD C. NADH is reduced back to NAD in both types of fermentation in in both types of fermentation in order to continue glycolysis.order to continue glycolysis.
D. none of the above are trueD. none of the above are true
Question 18Question 18Bank?
18. The oxygen consumed 18. The oxygen consumed during cellular respiration is during cellular respiration is directly involved indirectly involved in
A. the Krebs cycle.A. the Krebs cycle. B. accepting electrons at the B. accepting electrons at the
end of the electron transport end of the electron transport chain.chain.
C. the conversion of pyruvate C. the conversion of pyruvate to acetyl CoA.to acetyl CoA.
D. the phosphorylation of ADP D. the phosphorylation of ADP to ATP.to ATP.
18. The oxygen consumed 18. The oxygen consumed during cellular respiration is during cellular respiration is directly involved indirectly involved in
A. the Krebs cycle.A. the Krebs cycle. B. accepting electrons at the B. accepting electrons at the
end of the electron transport end of the electron transport chain.chain.
C. the conversion of pyruvate C. the conversion of pyruvate to acetyl CoA.to acetyl CoA.
D. the phosphorylation of ADP D. the phosphorylation of ADP to ATP.to ATP.
Question 19Question 19Bank?
19. Which of the following are true 19. Which of the following are true statements about photosynthesis?statements about photosynthesis?
A. In the light reactions, electrons A. In the light reactions, electrons that leave photosystem II are that leave photosystem II are replaced by photosystem I.replaced by photosystem I.
B. Electrons from photosystem I B. Electrons from photosystem I reduce NADP to NADPH using reduce NADP to NADPH using NADP reductase.NADP reductase.
C. The electrons from carbon C. The electrons from carbon dioxide replace electrons that dioxide replace electrons that leave photosystem II.leave photosystem II.
D. none of the above are trueD. none of the above are true
19. Which of the following are true 19. Which of the following are true statements about photosynthesis?statements about photosynthesis?
A. In the light reactions, electrons A. In the light reactions, electrons that leave photosystem II are that leave photosystem II are replaced by photosystem I.replaced by photosystem I.
B. Electrons from photosystem I B. Electrons from photosystem I reduce NADP to NADPH using reduce NADP to NADPH using NADP reductase.NADP reductase.
C. The electrons from carbon C. The electrons from carbon dioxide replace electrons that dioxide replace electrons that leave photosystem II.leave photosystem II.
D. none of the above are trueD. none of the above are true
Question 20Question 20Bank?
20. Which of the following 20. Which of the following processes produces NADH?processes produces NADH?
A. the light reactions onlyA. the light reactions only B. the Calvin cycle onlyB. the Calvin cycle only C. both the light reactions C. both the light reactions
and the Calvin cycleand the Calvin cycle D. neither the light D. neither the light
reactions nor the Calvin reactions nor the Calvin cyclecycle
20. Which of the following 20. Which of the following processes produces NADH?processes produces NADH?
A. the light reactions onlyA. the light reactions only B. the Calvin cycle onlyB. the Calvin cycle only C. both the light reactions C. both the light reactions
and the Calvin cycleand the Calvin cycle D. neither the light D. neither the light
reactions nor the Calvin reactions nor the Calvin cyclecycle
Question 21Question 21Bank?
21. All of the events listed 21. All of the events listed below occur in the energy-below occur in the energy-capturing light reactions of capturing light reactions of photosynthesis EXCEPTphotosynthesis EXCEPT
A. oxygen is produced A. oxygen is produced B. carbon dioxide is B. carbon dioxide is
incorporated into a simple incorporated into a simple sugarsugar
C. ADP is used to make ATPC. ADP is used to make ATP D. NADPD. NADP++ is reduced to NADPH is reduced to NADPH
21. All of the events listed 21. All of the events listed below occur in the energy-below occur in the energy-capturing light reactions of capturing light reactions of photosynthesis EXCEPTphotosynthesis EXCEPT
A. oxygen is produced A. oxygen is produced B. carbon dioxide is B. carbon dioxide is
incorporated into a simple incorporated into a simple sugarsugar
C. ADP is used to make ATPC. ADP is used to make ATP D. NADPD. NADP++ is reduced to NADPH is reduced to NADPH
Question 22Question 22Bank?
22. Where does the Calvin 22. Where does the Calvin cycle of photosynthesis take cycle of photosynthesis take place?place?
A. stroma of the chloroplastA. stroma of the chloroplast B. thylakoid membraneB. thylakoid membrane C. chlorophyll moleculeC. chlorophyll molecule D. cytoplasm surrounding D. cytoplasm surrounding
the chloroplastthe chloroplast
22. Where does the Calvin 22. Where does the Calvin cycle of photosynthesis take cycle of photosynthesis take place?place?
A. stroma of the chloroplastA. stroma of the chloroplast B. thylakoid membraneB. thylakoid membrane C. chlorophyll moleculeC. chlorophyll molecule D. cytoplasm surrounding D. cytoplasm surrounding
the chloroplastthe chloroplast
Question 23Question 23Bank?
23. In which of the following 23. In which of the following processes does the processes does the oxidation of water?oxidation of water?
A. photosynthesis only A. photosynthesis only B. respiration onlyB. respiration only C. both photosynthesis and C. both photosynthesis and
respirationrespiration D. neither photosynthesis D. neither photosynthesis
nor respirationnor respiration
23. In which of the following 23. In which of the following processes does the processes does the oxidation of water?oxidation of water?
A. photosynthesis onlyA. photosynthesis only B. respiration onlyB. respiration only C. both photosynthesis and C. both photosynthesis and
respirationrespiration D. neither photosynthesis D. neither photosynthesis
nor respirationnor respiration
Question 24Question 24Bank?
24. The enzyme rubisco24. The enzyme rubisco A. performs the first step of A. performs the first step of
the Calvin cycle.the Calvin cycle. B. reacts carbon dioxide with B. reacts carbon dioxide with
RuBP.RuBP. C. works in the stroma of a C. works in the stroma of a
chloroplast.chloroplast. D. all of the aboveD. all of the above
24. The enzyme rubisco24. The enzyme rubisco A. performs the first step of A. performs the first step of
the Calvin cycle.the Calvin cycle. B. reacts carbon dioxide with B. reacts carbon dioxide with
RuBP.RuBP. C. works in the stroma of a C. works in the stroma of a
chloroplast.chloroplast. D. all of the aboveD. all of the above
Question 25Question 25Bank?
25. Where is the ETC of the 25. Where is the ETC of the light reactions located?light reactions located?
A. inner membraneA. inner membrane B. thylakoid membraneB. thylakoid membrane C. stromaC. stroma D. matrixD. matrix
25. Where is the ETC of the 25. Where is the ETC of the light reactions located?light reactions located?
A. inner membraneA. inner membrane B. thylakoid membraneB. thylakoid membrane C. stromaC. stroma D. matrixD. matrix
BONUSBONUSBet?
Bonus: When electrons flow along Bonus: When electrons flow along the electron transport chains of the electron transport chains of mitochondria, which of the mitochondria, which of the following changes occurs?following changes occurs?
A. ATP synthase pumps protons by A. ATP synthase pumps protons by active transport. active transport.
B. NADB. NAD++ is reduced. is reduced. C. The molecules in the electron C. The molecules in the electron
transport chain phosphorylate ADP transport chain phosphorylate ADP to form ATP.to form ATP.
D. The pH of the matrix increases.D. The pH of the matrix increases.
Bonus: When electrons flow along Bonus: When electrons flow along the electron transport chains of the electron transport chains of mitochondria, which of the mitochondria, which of the following changes occurs?following changes occurs?
A. ATP synthase pumps protons by A. ATP synthase pumps protons by active transport. active transport.
B. NADB. NAD++ is reduced. is reduced. C. The molecules in the electron C. The molecules in the electron
transport chain phosphorylate ADP transport chain phosphorylate ADP to form ATP.to form ATP.
D. The pH of the matrix increases.D. The pH of the matrix increases.
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