Multiple Choice
Biologists believe that in the earliest version of photosynthesis the energized photosystem electron simply cycled back to the chlorophyll molecule. What limitations would such a system impose?
A) No molecular oxygen would be generated.
B) No electrons would be available to reduce the carbon in CO2.
C) Cells could produce ATP but not sugars.
D) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q1: You have been shrunk to molecular size
Q3: During the Calvin cycle, the enzyme rubisco
Q4: Although several negative factors are associated with
Q5: Most individuals respond to a prolonged stay
Q6: All of the following elements can be
Q7: NAD⁺ is an energy carrier in living
Q8: Biologists believe that the change in the
Q9: A fermentation is an oxidative pathway where
Q11: The ETC in the chloroplast or mitochondrion
Q76: In mitochondria,ATP is produced in conjunction with