Select the correct options to fill-up the blanks.
(i) .............. enzyme is crucial for the immune system to function and its absence is caused by the deletion of a gene
(ii) Insulin consists of .............. and .... that are linked together by ..............
(iii) Transgenic mice are being used to test the safety of the ............
(iv) .............. involves silencing of a specific mRNA due to a complementary dsRNA molecule that binds to and prevents translation of mRNA

Options

A. (i) Adenosine deaminase (ii) A-chain, B-chain, disulphide bridges (iii) polio vaccine (iv) RNAI
B. (i) RNAi (ii) A-chain, B-chain, disulphide bridges (iii) Adenosine deaminase (iv) Polio vaccine
C. (i) Adenosine deaminase (ii) A-chain, B-chain, hydrogen bonds (iii) polio vaccine (iv) RNAi
D. (i) RNAi (ii) A-chain, B-chain, non-covalent bridges (iii) polio vaccine (iv) Adenosine deaminase

Answer

A

Explanation

(i) Adenosine deaminase (ii) A-chain, B-chain, disulphide bridges (iii) polio vaccine (iv) RNAi