1. In chloroplasts, the enzyme ATP synthase couples the synthesis of ATP to: a. the diffusion of protons. b. the reduction of NADP+. c. the excitation of chlorophyll. d. the reduction of chlorophyll e. the transfer of electrons. 2. In the two-dimensional paper chromatography technique used by Calvin and Benson, a substance that ends up in the middle of the paper means that: a. it is insoluble in one of the solvents. b. it is an impure substance. c. it is too large to migrate all the way across the paper. d. it migrates roughly half way across the paper in both solvents. e. it is a relatively large and charged molecule. In chloroplasts, an electron being passed down the electron transport chain may have originated from: photosystem I. photosystem II. NADPH. both a and b. a, b, and c If we are able to follow a single electron that has just been ejected from the reactive center of photosystem II, which of the following is a feasible pathway that it could take? photosystem I, electron transport chain, ferridoxin, NADP reductase. electron transport chain, photosystem I, ferridoxin, NADP reductase. photosystem I, ferridoxin, NADP reductase, electron transport chain. ferridoxin, electron transport chain, photosystem I, NADP reductase. electron transport chain, ferridoxin, photosystem I, NADP reductase.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter8: Photosynthesis

Section: Chapter Questions

Problem 4TYK

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1. In chloroplasts, the enzyme ATP synthase couples the synthesis of ATP to:

a. the diffusion of protons.

b. the reduction of NADP+.

c. the excitation of chlorophyll.

d. the reduction of chlorophyll

e. the transfer of electrons.

2. In the two-dimensional paper chromatography technique used by Calvin and Benson, a substance that ends up in the middle of the paper means that:

a. it is insoluble in one of the solvents.

b. it is an impure substance.

c. it is too large to migrate all the way across the paper.

d. it migrates roughly half way across the paper in both solvents.

e. it is a relatively large and charged molecule.

In chloroplasts, an electron being passed down the electron transport chain may have originated from:

photosystem I.
photosystem II.
NADPH.
both a and b.
a, b, and c

If we are able to follow a single electron that has just been ejected from the reactive center of photosystem II, which of the following is a feasible pathway that it could take?

photosystem I, electron transport chain, ferridoxin, NADP reductase.
electron transport chain, photosystem I, ferridoxin, NADP reductase.
photosystem I, ferridoxin, NADP reductase, electron transport chain.
ferridoxin, electron transport chain, photosystem I, NADP reductase.
electron transport chain, ferridoxin, photosystem I, NADP reductase.

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