NEET - 24th July 2016

The process of translation of mRNA to proteins begins as soon as :

DNA Polymorphism forms the basis of:

If a geneticist uses the blind approach for sequencing the whole genome of an organism, followed by assignment of function to different segments, the methodology adopted by him is called as:

In an E. coli strain, i gene gets mutated, and its product cannot bind the inducer molecule. If the growth medium is provided with lactose, what will be the outcome?

If the length of a DNA molecule is $1.1$ metres, what will be the approximate number of base pairs?

Ten E. coli cells with ${}^{15}\mathrm{N}$-dsDNA are incubated in medium containing ${}^{14}\mathrm{N}$ nucleotide. After $60$ minutes, how many E. coli cells will have DNA totally free from ${}^{15}\mathrm{N}$?

DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as:

Read the following statements and choose the set of correct statements:
(a) Euchromatin is loosely packed chromatin.
(b) Heterochromatin is transcriptionally active.
(c) Histone octamer is wrapped by negatively charged DNA in the nucleosome.
(d) Histones are rich in lysine and arginine.
(e) A typical nucleosome contains 400bp of DNA helix.

Choose the correct answer from the options given below: