Embibe Experts Solutions for Chapter: Molecular Basis of Inheritance, Exercise 2: Level 2

Elongation of the RNA polynucleotide chain always takes place:

Which of the following is not a characteristic of genetic code?

Which of the following enzymes is not produced by E.coli during lactose catabolism?

Semiconservative replication of DNA was first demonstrated in

A DNA double helix is $340 \mathrm{nm}$ long. The number of nucleotides in this DNA is:

Which of the following statements related to protein synthesis are true?
(I) Transcribed hn-RNA and m-RNA of gene are similar in size
(II) The $3^{\text{'}}\mathrm{CCA}$ end of t-RNA acts as amino acid binding site
(III) f-met-t-RNA binds on to the 'P' site in ribosome
(IV)The protein factor called RF helps in recognising the termination codon

In a double helix of DNA molecule of $10$ coils, if there are $30$ adenine nitrogen bases, what is the number of guanine nitrogen bases :

ln a DNA molecule, if the percentage of thymine is 22%, then guanine will be