If a leaf has stomata on the lower epidermis, and you covered the lower epidermis with petroleum jelly, which product would not form because carbon dioxide could not enter the leaf?
Answer
A. O2
B. NADPH
C. ATP
D. G3P
In C3 plants, photorespiration is a problem in hot, dry weather because __________ combines with RuBP instead of __________, resulting in a loss of carbon dioxide.
Answer
A. carbon dioxide; hydrogen
B. oxygen; carbon dioxide
C. carbon dioxide; oxygen
D. oxygen; hydrogen
E. nitrogen; carbon dioxide
If a plant were kept in total darkness (such that light reactions were inhibited) but still exposed to the atmosphere, it could produce G3P in the Calvin cycle if supplied continually with
Answer
A. ATP and NADPH.
B. ATP and oxygen.
C. oxygen and water.
D. NADH and carbon dioxide.
E. NADH and FADH2.
In C4 plants, if PEP carboxylase were inhibited, which molecule would not form? This molecule also is the molecule that joins with acetyl group during citric acid cycle.
Answer
A. citric acid
B. malate
C. PEP
D. oxaloacetate
The function of light reactions is to
Answer
A. fix CO2.
B. regenerate RuBP.
C. convert light energy into kinetic energy.
D. use NADPH.
E. convert light energy into chemical energy, especially ATP and NADPH.
E. 3PG