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Cell-The Unit of Life

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  1. Protein synthesis in an animal cell occurs
    1. only on the ribosomes present in cytosol
    2. only on ribosomes attached to the nuclear envelope and endoplasmic reticulum
    3. on-ribosomes present in the nucleolus as well as in cytoplasm
    4. on ribosomes present in cytoplasm as well as in mitochondria
Correct Option: D

Protein synthesis in an animal cell occurs on ribosomes present in cytoplasm as well as in mitcohondria because mitochondria and chloroplast also have their own DNA, RNA and ribosome so can synthesize half of their required proteins.


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