Biology

Q. Which of the following codons has no t-RNA? (a) UAA (b) UAU (c) UUG (d) CUU Solution : Correct option : A The stop codon is the code of…

Q. Out of A-T, G-C pairing, bases of DNA may exist in alternate valency stage owing to arrangement called : (a) Tautomerisational mutation (b) Analogue substitution (c) Point mutation (d)…

Q. True replication of DNA is possible due to : Hydrogen bonding Phosphate backbone Complementary base pairing rule None of the above Solution : Correct option : C Complementary base…

Q. From bacteria to men, a near universal code for phenylalanine is : (a) UUU (b) UUA (c) UUG (d) CUU Solution : Correct option : A. (UUU)