PHOTOSYNTHESIS AND RESPIRATION QUIZ

More ATP is manufactured during __________ than at any other time in all of cellular metabolism.

glycolysis

the light reactions of photosynthesis

fermentation

oxidative phosphorylation

TRUE ANSWER : ?
YOUR ANSWER : ?

Where do the protons come from that make up the proton gradient used in the light reactions of photosynthesis?

ATP

NADPH

Glucose

H2O

TRUE ANSWER : ?
YOUR ANSWER : ?

In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is

chlorophyll a

chlorophyll b

NADP+

carbon dioxide

TRUE ANSWER : ?
YOUR ANSWER : ?

The followings are the products of the light reactions of photosynthesis except

ATP

glucose

oxygen

NADPH

TRUE ANSWER : ?
YOUR ANSWER : ?

In oxygenic photosynthesis, water is split in order to provide the

electrons needed to reduce NADH

electrons needed to reduce P680

O2 needed for the dark reactions

electrons needed for cyclic photophosphorylation

TRUE ANSWER : ?
YOUR ANSWER : ?

The cytochrome c oxidase complex

donates four electrons to O2

all of these

pumps protons out of the matrix space

accepts electrons from cyt c

TRUE ANSWER : ?
YOUR ANSWER : ?

The manufacture of ATP in both photosynthesis and respiration is made possible by

energy from the movement of electrons

All of these

the existence of a proton gradient across specific membranes

the action of ATP synthase

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the reduced form of a temporary electron carrier molecule?

NADP+

CO2

ATP

FADH2

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following structures or processes are logically associated with chloroplasts?

All of these

Plant cells

Thylakoid membranes

Chlorophyll

TRUE ANSWER : ?
YOUR ANSWER : ?

The end products of noncyclic photophosphorylation are

water, ADP and NADP+

carbon dioxide, PGAL (phosphoglyceraldehyde), and H2

carbon dioxide, ATP and water

O2, ATP and NADPH

TRUE ANSWER : ?
YOUR ANSWER : ?

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