A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other without replacement. The probability that both the balls drawn are black is

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#Question id: 784

#Zoology

Which is not a difference between B-DNA and A-DNA?

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#Question id: 785

#Zoology

Several types of very short RNAs repress—or silence—expression of genes with homology to those short RNAs. They are produced from a variety of sources and direct the silencing of genes in the following different ways-

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#Question id: 786

#Zoology

A = 27%                    G = 30%   T = 21%              C = 22%

If the genome of a newly isolated virus displays the base composition above, the virus most likely consists of ______.

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#Question id: 787

#Zoology

Which of the following statement is INCORRECT with respect to the structure of DNA?

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#Question id: 788

#Zoology

Which of the following is true about Z-DNA helix?

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#Question id: 789

#Zoology

Presence of large numbers of modified specially methylated nucleotides in tRNA contribute in