The process that forms the electrochemical gradient during photosynthesis is the
A. production of H+ in the stroma during NADPH production.
B. hydrolysis of ATP.
C. pumping of H+ into the thylakoid lumen.
D. production of water from oxygen in the thylakoid lumen.
E. movement of water by osmosis.
Answer: C
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What will be an ideal response?
Red algae can survive in deeper water because
of
a. phycobilins. b. holdfasts. c. chlorophyll a. d. a stonelike cell wall. e. their preference for freshwater habitat.
Suppose you are estimating the following model: Yi = ?0 + ?1Xi + Ui. Suppose also that you only observe values of Y that are above 50. What is the consequence of this selection on the values of Y?
A. Your estimate for ?1 will be biased and your model will suffer from the heteroscedasticity problem. B. Your estimate for ?1 will be biased. C. Your model will suffer from the heteroscedasticity problem. D. None of the answers is correct.
DNA is found in the ___ of the cell.
What will be an ideal response?