Nucleic Acids
Nucleic Acids: Overview
This Topic covers sub-topics such as DNA, Heredity, DNA Fingerprinting, Nucleic Acids, Differences between DNA and RNA, Nucleotides, Types of RNA, Molecular Biology, Messenger RNA, Nucleosides, Structure of Nucleotide and, Phosphodiester Linkage
Important Questions on Nucleic Acids
Which one of the following base in not present in DNA?


In both DNA and RNA, heterocylic base and phosphate ester linkages are at

Insulin production and its action in human body are responsible for the level of diabetes. This compound belongs to which of the following categories

Which of the following is not true about DNA and RNA?


The image below shows the double helix structure of a DNA.
Suppose the bonds holding the DNA strands for double helix together were (a) covalent bonds (b) London dispersion force. What would be the problem in each case?

The image below shows the double helix structure of a DNA.
The double helix structure is easily destroyed by change in (a) temperature and (b) pH value. Explain the reason for both the cases.

A Nucleic acid, whether DNA or RNA gives on complete hydrolysis, two purine bases, two pyrimidine bases, a peritose sugar and phosphoric acid. Nucleotides which are intermediate products in the hydrolysis contain

Which hormone tends to increase the blood glucose level in human?

Which of the following statements is correct?

In DNA, which bases is not present of following?





Explain the formation of dinucleotide from pentose sugar.



