Alphabet sequence

Opposite Alphabetic Sequence DC:HG:: ML:? 1) OP 2 ) NM 3) AB 4) QP

Direct Alphabetic Sequential Relationship CD:GH:: LM:?

How many pairs of letters are there in the word NINCOMPOOP which have the same number of letters between them as in English alphabet in the same sequence? 1) Four 2) Five 3) Six 4) Seven 5) None of these

Find the sequence of blinding of the following amono acyl-tRNA complexes during translation of an mRNA transcribed by DNA segment having the base sequence 3' TACATGGGTCCG 5'. Choose the answer showing the correct order of alphabets.