General Biology Photosynthesis

20 Questions  I  By Rositaross
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Intro to photosynthesis

  
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1.  The wavelengths of light absorbed by pigments in the granum are mainly in which range?
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B.
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2.  What effect does photosynthesis have on the greenhouse effect?
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3.  The source of the oxygen produced by photosynthesis has been identified through experiments using radioactive tracers. The oxygen comes from _____.
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B.
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D.
4.  The Calvin cycle is a series of reactions that _____.
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5.  How does carbon dioxide enter the leaf?
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6.  The light reactions of photosynthesis generate high-energy electrons, which end up in _____. The light reactions also produce _____ and _____.
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B.
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D.
7.  Carbon dioxide makes up about _____ of the air we breathe
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B.
C.
8.  The "photo-" part of the word "photosynthesis" refers to _____, whereas "-synthesis" refers to _____.
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B.
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9.  Both mitochondria and chloroplasts _____.
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10.  The photosynthetic event known as the Calvin cycle occurs in the _____.
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11.  In photosynthesis, plants use carbon from _____ to make sugar and other organic molecules
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12.  In photosynthesis, what is the fate of the oxygen atoms present in CO2? They end up _____
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B.
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13.  The _____ of photosynthesis performs a task similar to that of the _____ of cellular respiration.
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B.
C.
14.  In an experiment, a plant was given _____ containing radioactive 18O, and the radioactive oxygen atoms were used to make sugar.
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B.
C.
15.  Which one of the following colors is most strongly reflected by chlorophyll?
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16.  Cellular respiration and photosynthesis are similar in that both involve _____.
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17.  Why is NADP+ needed in photosynthesis?
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18.  During photosynthesis in chloroplasts, O2 is produced from _____ via a series of reactions associated with _____.
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D.
19.  When chloroplast pigments absorb light, _____.
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D.
20.  Which of these types of organisms produce the biosphere's food supply?
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B.
C.
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