Q. Cytochrome is

 1664  186 AIPMTAIPMT 2001Respiration in Plants Report Error

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.