The phosphate group preset in the DNA is the form of :
Phosphoric acid.
Phosphorous acid.
Hydrochloric acid.
None of the above.
Network like nucleo protein fibers present in the nucleus is called :
Nuclearpore.
Nucleoplasm.
Chromatin reticulum.
Nucleolus.
A Unit of replication with one origin is called __________.
Replicon
DNA ligase
lagging strand
leading strand
The double helical structure of DNA was discovered by
James Watson
Francis crick
Both a and b
Maurice Nil kins
How many nitrogenous - bases are present in both DNA and RNA ?
5
3
2
6
The back bone of the Poly nucleotide is formed by :
Sugar only.
Both sugar and phosphate.
Phosphate only.
Proteins.
The pyrimidines present in the DNA molecule is :
Thymine and Uracil.
Thymine and Cytosine.
Cytosine and Uracil.
Adenine and Guanine.
The acidic material (DNA) present in the nucleus was first identified by :
James Watson.
Francis crick.
Friedrich meischer.
None of these.
The process of copying genetic information from one strand of the DNA into RNA is called ___________.
ligation
Transcription
Translation
None of these
Guanine is bonded with
Adenine
Thymine
Cytosine