Multiple choice

The first stable product of photosynthesis in C3 plants is

  1. PGAL

  2. RuBP

  3. PGA

  4. OAA
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The C3 cycle is initiated by the enzyme Rubisco that catalyses the carboxylation of the CO2 acceptor molecule ribulose-1,5-bisP (RuBP). It results in the formation of 3-phosphoglyceraldehyde.

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