Approximately what percentage of the sun's output is available for photosynthesis?
A) 4%
B) 8%
C) 20%
D) 40%
E) 60%
Correct Answer:
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Q151: Paraquat is an herbicide that blocks the
Q152: Despite the enormous amount of solar energy
Q153: Rubisco is characterized by:
A)slow catalysis.
B)fast catalysis.
C)the ability
Q154: Xanthophyll pigments:
A)prevent formation of reactive oxygen species.
B)absorb
Q155: Photorespiration occurs because:
A)there is more O2 than
Q157: High temperatures increase reaction rates but lower
Q158: Reactive oxygen species are detoxified by a
Q159: Low temperatures slow the activity of rubisco
Q160: Which of the following is/are rubisco substrates?
A)O2
B)CO2
C)RuBP
D)CO2
Q161: The process in which one cell takes
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