Question

What are C3 plants, and why are they less efficient at photosynthesis than C4 plants?

Answer 1

Answer:

Explanation:

C3 plants are less efficient in Photosynthetic energy fixation. C4 plants are more efficient in photosynthesis. Photorespiration rate is very high in C3 plants. Photorespiration is altogether absent in C4 plants (if present very little).

In C4 plants photorespiration does not occurs.This is because thy have a mechanism that increases the concentration of CO2 at the enzyme site.thus the C4 pathway is more efficient than C3 in the sense of carbon fixaton

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