Question

which is essential both in respiration and photosynthesis
a) ATP
b)enzyme
c) cytochrome
d) all

Answer 1

Answer:

cytochrome

Explanation:

Cytochromes are iron-containing pigment. They are electron transporters or electron acceptors in respiration and photosynthesis both. The basic structure of cytochrome consists of a porphyrin ring and it has a heme group.