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Crassulacean acid metabolism I. is an ...

Crassulacean acid metabolism
I. is an alternative of the `C_3` and `C_4`- pathway of `CO_2` fixation found in plants living in dry hot climate.
II. Pathway resemble `C_4` - pathway in that `CO_2` is trapped by highly efficient PEP- carboxylase.
III. is a special type of respiration show by many green plants, when why they are exposed to light.
IV. is catalysed by the enzyme serine hydroxymethyl transferase.

A

Only II

B

Only III

C

None of these

D

I and II

Text Solution

Verified by Experts

The correct Answer is:
D
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