Multiple choice

The photosynthetic pigment acting as the terminal acceptor of energy in phycobiliproteins is

  1. Phycourobilin

  2. Phycoerythrin

  3. Phycocyanobilin

  4. Phycocyanin

  5. Phycoerythrobilin

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Phycocyanobilin is a blue phycobilin. Phycocyanobilin is present only in the phycobiliproteins allophycocyanin and phycocyanin, of which it is the terminal acceptor of energy.It is predominately found in cyanobacteria red algae.