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(a) Deficiency of which vitamin leads to...

(a) Deficiency of which vitamin leads to night blindness?
(b) Which hormone is responsible for the hyperthyroidism?
(c) What is a Zwitter ion of an amino acid? Give its general formula.
(d) What is a nucleotide?

Text Solution

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(a) Vitamin A       (b) Thyroxin  
(c) The amino acid forms dipolar ion called Zwitter ion in aqueous solution.
(d) Basic unit of nuclei acid containing one sugar unit, heterocyclic base and phosphoric acid. is called nucleotide.
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