1.

Enlist the main differences between the two types of nucleic acids found in living systems.

Answer»

Differences between DNA and RNA

DNARNA
It is the known genetic material found in all the organisms.It is the known genetic material found only in some viruses.
Tt is mainly double-stranded with the exception of some viruses,
(e.g. φ x 174)		It is mainly single-stranded with the exception of some viruses (e.g. double stranded in Retrovirus)
The sugar found is deoxyribose.The sugar found is ribose.
Nitrogenous bases present are adenine, guanine, thymine and cytosine.Nitrogenous bases present are adenine, guanine, thymine and uracil.
It is chemically less reactive and structurally more stable.It is chemically more reactive and structurally less stable.
It has the ability to replicate itself.It is formed by DNA.


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