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Question: The accompanying diagram refers to clover leaf model of tRNA or sRNA or sRNA (soluble RNA) given by ...

The accompanying diagram refers to clover leaf model of tRNA or sRNA or sRNA (soluble RNA) given by Holley. In which one of the options all the four parts, P, Q, R and S are identified with their respective functions correctly –

A

P – DHU loop, Enzyme recognition site; Q – AA binding site, carries AA at 3’, R - TΨC loop, ribosome recognition site; S – Anticodon loop, forms anticodon.

B

P – Anticodon loop, forms anticodon; Q – AA binding site, carries AA at 3’, R - TΨC loop, ribosome recognition site; S – DHU loop, Enzyme recognition site.

C

P – Anticodon loop, forms anticodon; Q - TΨC loop, ribosome recognition site; R – AA binding site, carries AA at 3’, S – DHU loop, Enzyme recognition site.

D

P – DHU loop, Enzyme recognition site; Q - TΨC loop, ribosome recognition site; R – AA binding site, carries AA at 3’; S – Anticodon loop, forms anticodon.

Answer

P – Anticodon loop, forms anticodon; Q – AA binding site, carries AA at 3’, R - TΨC loop, ribosome recognition site; S – DHU loop, Enzyme recognition site.