Q. The place where RNA-polymerase attaches with the DNA is called : (a) Promoter site (b) Operator site (c) Activator site (d) Repressor site Solution : Correct option : A…
Q. The portion of DNA which contains information for an entire polypeptide is called : (a) Operon (b) Cistron (c) Muton (d) Recon Solution : Correct option : A(Cistron)
Q. Mobile genetic sequence are called : (a) Exons (b) Introns (c) Cistrons (d) Transposons Solution : Correct option : D The mobile genetic element is called transposon. It was…
Q. Purines possess nitrogen at : 1, 2, 4 and 6 position 1, 3, 5 and 7 position 1, 3, 7, and 9 position 1, 2, 6 and 8 position…