The C₄ pathway ____.
A) produces large amounts of carbohydrates
B) is less efficient than the C₃ pathway
C) is the mechanism of photorespiration
D) involves the activity of rubisco
E) fixes carbon twice

Question

The C₄ pathway ____.
A) ​produces large amounts of carbohydrates
B) ​is less efficient than the C₃ pathway
C) ​is the mechanism of photorespiration
D) ​involves the activity of rubisco
E) fixes carbon twice​

Quizplus · Accepted Answer

The C₄ pathway involves fixing carbon dioxide twice, first in mesophyll cells and then in bundle-sheath cells, which helps in efficiently capturing carbon dioxide and minimizing photorespiration.

The C₄ Pathway ____