PLEASE ANSWER ALL 1. What happens during light reactions of photosynthesis? A. s

Question

PLEASE ANSWER ALL

1. What happens during light reactions of photosynthesis?

A. split H2O And release CO2

B. reduce the electron acceptor NADP+ to NADPH

C. generate ATP from ADP by photophosphorylation

D. All of the above

3.Where is chrophyll located in plant cells?

A. thylakoid only

B. inner mitochondrial membrane only

C. thylakoid membrane and inner mitochondrial membrane

D. thylakoid membrane and plasma membrane

4. In which of the following organisms did the process of photosynthesis more likely orginate?

A. in plants

B. in prokaryotes

C. in fungi

D. three seperate times during evolution

Explanation / Answer

1. D. All of the above

During the light reaction, ATP and NADPH are formed and photolysis of water takes place.

3. A. thylakoid only

Chlorophyll is present only in the thylakoid membranes of the chloroplast.

4. B. in prokaryotes

Photosynthesis is most like to have originated in a group of bacteria which are prokaryotes.

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