Cell Biology: proplastids, chlorophylls, resonance energy transfer, etc.

Question 1








What is the advantage to having various types of chlorophylls and accessory pigments for the photosynthetic process?
Answer





Selected Answer:

B.

It allows for light in many wavelengths to be utilized for photosynthesis.


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 Question 2








The proplastids associated with giving flowers and fruits their distinctive colors are the
Answer





Selected Answer:



chromoplasts.





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 Question 3








A house plant seems to be growing slowly and lacks its normal bright green color. You call a botanist for advice. She suggests that the plant may be deficient in magnesium (Mg2+). Why are these symptoms associated with Mg2+ deficiency?
Answer





Selected Answer:



Mg2+ is an important component in chlorophyll.





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 Question 4








The transfer of energy from a photoexcited electron to another electron of an adjacent pigment molecule is known as
Answer





Selected Answer:



resonance energy transfer.





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 Question 5








Which of the following is not an essential feature of electron transfer from water to NADP+?
Answer





Selected Answer:



coenzyme Q