Question Detail

BIO 101 BIO 101 Past Questions Objective Question
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Question

A C3 plant is a plant that uses 3-carbon
Options
A PGA as the first intermediate for carbon fixation
Correct Answer
B oxaloacetate as the first intermediate for carbon fixation
C acetate as the first intermediate for carbon fixation
D all of the above
Correct Answer

Option A is the correct answer.

Detailed Explanation

C3 plants are so named because the first stable product of carbon fixation is a 3-carbon compound, 3-phosphoglyceric acid (PGA). In C4 plants, the first product is the 4-carbon oxaloacetate.

Hint

What is the first stable molecule produced when CO2 is fixed in a plant like rice or wheat?

Question Info

Course: BIO 101
Topic: BIO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1183 of 2556
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