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35 Cards in this Set
- Front
- Back
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Which of the following is NOT an example of a heterotroph?
a. mushroom b. leopard c. grass d. human |
c. grass
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What are the three parts of an ATP molecule?
a.adenine, thylakoids, stroma c.adenine, ribose, phosphate groups b.stroma, grana, chlorophyll d.NADH, NADPH, and FADH2 |
c. adenine, riose, phosphate groups
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Energy is released from ATP when
a.a phosphate group is added. c.ATP is exposed to sunlight. b.adenine bonds to ribose. d.a phosphate group is removed. |
d. a phosphate group is removed
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In Figure 8–1, between which parts of the molecule must the bonds be broken to form an ADP molecule?
a.A and B c.C and D b.B and C d.all of the above |
c. C and D
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Jan van Helmont concluded that plants gain most of their mass from
a.water. c.carbon dioxide in the air. b.the soil. d.oxygen in the air. |
a. water
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A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably
a.oxygen. c.ATP. b.carbon dioxide. d.vaporized water. |
a. oxygen
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Photosynthesis uses sunlight to convert water and carbon dioxide into
a.oxygen. b.high-energy sugars and starches. c.ATP and oxygen. d.oxygen and high-energy sugars and starches. |
d. oxygen and high-energy sugars and starches
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In the overall equation for photosynthesis, six molecules of carbon dioxide result in six molecules of
a.glucose. c.oxygen. b.water. d.ATP. |
c. oxygen
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Which region of the visible spectrum is not absorbed well by chlorophyll?
a. blue c. green b. violet d. red |
c. greeb
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A granum is a
a. stack of chloroplasts. c. membrane enclosing a thylakoid. b. stack of thylakoids. d. photosynthetic pigment molecule. |
b. stack of thylakoids
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The stroma is the region outside the
a. thylakoids. c. plant cells. b. chloroplasts. d. all of the above |
a. thylakoids
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Which of the following is false?
a. A chloroplast contains stroma. c. A granum contains several thylakoids. b. A stroma contains a thylakoid. d. A thylakoid contains chlorophyll. |
b. A stroma contains a thylakoid
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Where do the light-dependent reactions take place?
a. in the stroma c. within the thylakoid membranes b. in the mitochondria d. only in chlorophyll molecules |
c. within the thylakoid membranes
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What are the products of the light-dependent reactions?
a. oxygen gas c. NADPH b. ATP d. all of the above |
d. all of the above
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Which step is the beginning of photosynthesis?
a. Pigments in photosystem I absorb light. b. Pigments in photosystem II absorb light. c. High-energy electrons move through the electron transport chain. d. ATP synthase allows H+ ions to pass through the thylakoid membrane. |
b. Pigments in Photosystem II absorb light.
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Why does the inside of the thylakoid membrane become positively charged during the light-dependent reactions?
a. H+ ions are released as water splits. b. ATP synthase allows H+ ions to pass through the membrane. c. ATP synthase produces ATP from ADP. d. Carbon dioxide builds up in the stroma. |
a. H+ ions are released as water splits
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Which pathway represents the flow of electrons during photosynthesis?
a. H2O ® Photosystem I ® Photosystem II b. O2 ® ADP ® Calvin cycle c. Photosystem I ® Calvin cycle ® NADPH d. H2O ® NADPH ® Calvin cycle |
d. H2O NADPH Calvin Cycle
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Where are photosystems I and II found?
a. in the stroma c. in the Calvin cycle b. in the thylakoid membrane d. all of the above |
b. in the thylakoid membrane
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The Calvin cycle is another name for
a. light-independent reactions. c. photosynthesis. b. light-dependent reactions. d. all of the above |
a. light-independednt reactions
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The Calvin cycle takes place in the
a. stroma. c. thylakoid membranes. b. photosystems. d. chlorophyll molecules. |
a. stroma
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How does the Calvin cycle differ from the light-dependent reactions?
a. It takes place in the stroma. c. It requires light. b. It takes place in chloroplasts. d. It takes place in the thylakoid. |
a. It takes place in the stroma
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Which of the following is NOT a stage of cellular respiration?
a. fermentation c. glycolysis b. electron transport d. Krebs cycle |
a. fermentation
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Which of the following is the correct sequence of events in cellular respiration?
a. glycolysis ® fermentation ® Krebs cycle b. Krebs cycle ® electron transport ® glycolysis c. glycolysis ® Krebs cycle ® electron transport d. Krebs cycle ® glycolysis ® electron transport |
c. glycolosis Krebs cycle electron transport
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Which of the following is released during cellular respiration?
a. oxygen c. energy b. air d. lactic acid |
c. energu
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What is the correct equation for cellular respiration?
a. 6O2 + C6H12O6 ® 6CO2 + 6H2O + Energy b. 6O2 + C6H12O6 + Energy ® 6CO2 + 6H2O c. 6CO2 + 6H2O ® 6O2 + C6H12O6 + Energy d. 6CO2 + 6H2O + Energy ® 6O2 + C6H12O6 |
a. 6O2+C6H12O6 6C02+6H20+Energy
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Cellular respiration releases energy by breaking down
a. food molecules. c. carbon dioxide. b. ATP. d. water. |
a. food molecules
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Which of these processes takes place in the cytoplasm of a cell?
a. glycolysis c. Krebs cycle b. electron transport d. all of the above |
glycolosis
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Glycolysis provides a cell with a net gain of
a. 2 ATP molecules. c. 18 ATP molecules. b. 4 ATP molecules. d. 36 ATP molecules. |
d. 36 ATP molecules
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The starting molecule for glycolysis is
a. ADP. c. citric acid. b. pyruvic acid. d. glucose. |
d. glucose
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Glycolysis requires
a. an energy input. b. oxygen. c. hours to produce many ATP molecules. d. NADP+. |
a. an energy input
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Which of the following acts as an electron carrier in cellular respiration?
a. NAD+ c. ADP b. pyruvic acid d. ATP |
a. NAD+
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Lactic acid fermentation occurs in
a. bread dough. c. muscle cells. b. any environment containing oxygen. d. mitochondria. |
c. muscle cells
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The two main types of fermentation are called
a. alcoholic and aerobic. c. alcoholic and lactic acid. b. aerobic and anaerobic. d. lactic acid and anaerobic. |
c. alcoholic and lactic acid
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In the presence of oxygen, glycolysis is followed by
a. lactic acid fermentation. c. photosynthesis. b. alcoholic fermentation. d. the Krebs cycle. |
d. the Krebs cycle
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The starting molecule for the Krebs cycle is
a. glucose. c. pyruvic acid. b. NADH. d. coenzyme A. |
c. pyruvic acid
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