20. Cytochrome is found in

(a)  Cytoplasm                         (b)  Golgi body

(c)  Nucleus                             (d)          Plasmalemma

Ans. (d) Endoplasmic reticulum is scattered from plasma membrane to nuclear membrane, by which they provide mechanical support. Ribosomes found in surface of ER that is why, they participate in protein synthesis, they also transfer to many enzymes.

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