Campell Biology Chapter 10 Photosynthesis

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1

If photosynthesizing green algae are provided with CO2 synthesized with heavy oxygen (18O), later analysis will show that all but one of the following compounds produced by the algae contain the 18O label. That one is

A) PGA.

B) PGAL.

C) glucose.

D) RuBP.

E) O2.

E

2

Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?

A) CO2 and glucose

B) H2O and O2

C) ADP, Pi, and NADP+

D) electrons and H+

E) ATP and NADPH

E

3

What are the products of the light reactions that are subsequently used by the Calvin cycle?

A) oxygen and carbon dioxide

B) carbon dioxide and RuBP

C) water and carbon

D) electrons and photons

E) ATP and NADPH

E

4

Where does the Calvin cycle take place?

A) stroma of the chloroplast

B) thylakoid membrane

C) cytoplasm surrounding the chloroplast

D) chlorophyll molecule

E) outer membrane of the chloroplast

A

5

In any ecosystem, terrestrial or aquatic, what group(s) is (are) always necessary?

A) autotrophs and heterotrophs

B) producers and primary consumers

C) photosynthesizers

D) autotrophs

E) green plants

D