MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Earn 100

In the medium where E. coli was growing, lactose was added, which induced the lac operon. Then, why does lac operon shut down some time after addition of lactose in the medium?

Important Questions on Molecular Basis of Inheritance

MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Explain (in one or two lines) the function of the followings: Promoter
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Explain (in one or two lines) the function of the followings: tRNA
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Explain (in one or two lines) the function of the followings: Exons
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Briefly describe the following: Transcription 
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Briefly describe the following: Translation
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
How the polymerization of nucleotides can be prevented in a DNA molecule.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
In an experiment, DNA is treated with a compound which tends to place itself amongst the stacks of nitrogenous base pairs. As a result of this, the distance between two consecutive base pairs increases. from 0.34nm to 0.44 nm calculate the length of DNA double helix (which has 2 109 bp) in the presence of saturating amount of this compound.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Recall the experiments done by Frederick Griffith. Where DNA was speculated to be the genetic material. If RNA, Instead of DNA was the genetic material, would the heat killed strain of Pneumococcus have transformed the R-strain into virulent strain? Explain.