Question
Biology Question on respiration in plants
Cytochrome is
A
metallo flavo protein
B
Fe containing porphyrin pigment
C
glycoprotein
D
lipid.
Answer
Fe containing porphyrin pigment
Explanation
Solution
Cytochromes are electron transferring proteins often regarded as enzymes. They contain iron porphyrin or copper porphyrin as prosthetic groups. Cytochrome a, b and c are harmo-chromogens widely occurring in cells and acting as oxygen carriers during cellular respiration.