Multiple Choice
P680⁺ is said to be the strongest biological oxidizing agent. Why?
A) It is the receptor for the most excited electron in either photosystem.
B) It is the molecule that transfers electrons to plastoquinone (Pq) of the electron transfer system.
C) It transfers its electrons to reduce NADP⁺ to NADPH.
D) This molecule has a stronger attraction for electrons than oxygen, to obtain electrons from water.
E) It has a positive charge.
Correct Answer:
Verified
Correct Answer:
Verified
Q36: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5463/.jpg" alt=" Figure 10.3
Q37: Which of the following statements best describes
Q38: The phylogenetic distribution of the enzyme rubisco
Q39: Reduction of NADP⁺ occurs during<br>A) photosynthesis.<br>B) respiration.<br>C)
Q40: CAM plants keep stomata closed in daytime,
Q42: A flask containing photosynthetic green algae and
Q43: Carotenoids are often found in foods that
Q44: Photorespiration lowers the efficiency of photosynthesis by<br>A)
Q45: Use the following figure and the compounds
Q46: What does the chemiosmotic process in chloroplasts