Course

General Biology

Study Pack

Set 10 Photosynthesis

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Question 1

(Multiple Choice)

Free
As a research scientist,you measure the amount of ATP and NADPH consumed by the Calvin cycle in 1 hour.You find 30 000 molecules of ATP consumed,but only 20 000 molecules of NADPH.Where did the extra ATP molecules come from?

A)photosystem II
B)photosystem I
C)cyclic electron flow
D)linear electron flow
E)chlorophyll

Answer

Question 2

(Multiple Choice)

Free
Which of the following are directly associated with photosystem I?

A)harvesting of light energy by ATP
B)receiving electrons from the thylakoid membrane electron transport chain
C)generation of molecular oxygen
D)extraction of hydrogen electrons from the splitting of water
E)passing electrons to the thylakoid membrane electron transport chain

Answer

Question 3

(Multiple Choice)

Free
What does the chemiosmotic process in chloroplasts involve?

A)establishment of a proton gradient across the thylakoid membrane
B)diffusion of electrons through the thylakoid membrane
C)reduction of water to produce ATP energy
D)movement of water by osmosis into the thylakoid space from the stroma
E)formation of glucose, using carbon dioxide, NADPH, and ATP

Answer