Question
Biology Question on Cell: the unit of life
In an animal cell, protein synthesis takes place
A
onlyon the ribosomes protein in the cytosol
B
only on the ribosomes attached to nuclear envelope and endoplasmic reticulum
C
on ribosomes present in the nucleolus as well as in cytoplasm
D
on ribosomes present in the cytoplasm as well as in the mitochondria
Answer
on ribosomes present in the cytoplasm as well as in the mitochondria
Explanation
Solution
Though most of the protein synthesis occurs on the ribosomes in the cytoplasm, a number of proteins of the matrix and inner membrane of mitochondria are synthesised on the mitoribosomes (ribosomes present in the mitochondrion).