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Protein synthesis occurs
(a)On ribosomes present in cytosol as well as in mitochondria
(b)Only on ribosomes attached to the nuclear envelope and endoplasmic reticulum
(c)Only on the ribosomes present in cytosol
(d)On ribosomes present in the nucleolus as well cytoplasm

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Important Questions on Molecular Basis of inheritance
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How many peptide bonds will be formed in the polypeptide chain in the given diagram of protein synthesis?

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A) There are few uncatalyzed metabolic conversions in living system like protein degradation.
B) Study of energy conversion in the living cells is called Bioenergetics.
C) In DNA, each step of nucleotide pair will turn .
D) The first amino acid in a protein chain is called terminal amino acid.

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Mitochondria and chloroplast are:
(i) Semi - autonomous organelles
(ii) Formed by the division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery
Which one of the following option is correct?

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The sequence of a double stranded DNA, which produces a pentapeptide is given below:
The correct mRNA sequence corresponding to the pentapeptide is

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