What is the primary chlorophyll that gets degraded in plants?
Chlorophyll Catabolism and Pheophytin Synthesis

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chlorophyll B
Chlorophyll C
Chlorophyll A
Chlorophyll D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of magnesium dechelatase in chlorophyll degradation?
It adds magnesium to chlorophyll
It hydrolyzes the phytel side chain
It removes magnesium from chlorophyll
It converts chlorophyll A to B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which molecule is critical for the function of photosystem 2?
Pheophytin
Red Chlorophyll Catabolite
Chlorophyll B
Chlorophyllin A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of pheophytin in photosynthesis?
It acts as an electron donor
It acts as an electron acceptor
It absorbs red light
It emits green light
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the chlorophyll molecule when it reacts with magnesium dechelatase?
It gains a methyl group
It loses its magnesium
It loses its phytel side chain
It becomes chlorophyllin A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes the leaves to turn red in autumn?
Increase in chlorophyll B
Presence of carotenoids
Formation of red chlorophyll catabolite
Degradation of chlorophyll
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main degradation product of chlorophyll?
Chlorophyllin A
Pheophytin
Red chlorophyll catabolite
Primary fluorescent chlorophyll catabolite
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