Question

In C4 plants CO2 fixation initially result in the formation of:

• A. Malic acid
• B. OAA
• C. PEP
• D. PGA

Answer 1

Answer:

B. OAA

In C4 plants, the first product of CO2 fixation is oxaloacetate (OAA): C4 plants are commonly found in warm-to-high temperature environments, such as tropical grasslands.