MEDIUM
12th CBSE
IMPORTANT
Earn 100

The first genetic material could be
(a)Protein
(b)Carbohydrates
(c)DNA
(d)RNA

57.89% studentsanswered this correctly

Important Questions on Molecular Basis of Inheritance
MEDIUM
12th CBSE
IMPORTANT
With regard to mature mRNA in eukaryotes

HARD
12th CBSE
IMPORTANT
The human chromosome with the highest and least number of genes in them are respectively

MEDIUM
12th CBSE
IMPORTANT
Who amongst the following scientists had no contribution in the development of the double helix model for the structure of DNA?

HARD
12th CBSE
IMPORTANT
DNA is a polymer of nucleotides which are linked to each other by 3' - 5' phosphodiester bonds. To prevent polymerisation of nucleotides, which of the following modifications would you choose?

MEDIUM
12th CBSE
IMPORTANT
Discontinuous synthesis of DNA occurs in one strand, because

MEDIUM
12th CBSE
IMPORTANT
Which of the following steps in transcription is catalysed by RNA polymerase?

MEDIUM
12th CBSE
IMPORTANT
Control of gene expression in prokaryotes take place at the level of

HARD
12th CBSE
IMPORTANT
Regulatory proteins are the accessory proteins that interact with RNA polymerase and affect its role in transcription. Which of the following statements is correct about regulatory protein?
