A nuclear membrane is absent in
Eakaryotic cell
Prokaryotic cell
Both prokaryotic and eukaryoticell
None of these
Okazaki fragments are
The DNA fragment resulted from demerization
The DNA fragments produced due to radiation action.
Short DNA fragments on the leading strand.
Short DNA fragments on the logging strand.
In Eukaryotes the replication takes place at
G1 - phase
G2 - phase
S - phase
Both G and S phase
The length of the DNA depends on the which fact ?
Shape of the nucleotides.
Number of nucleotides.
Length of nucleotides.
All of the above.
A Phosphate group is linked to 5` - OH of a nucleoside through phospho ester linkage to form :
Nucleotide.
Nucleosome.
Nucleoside.
None of the above.
Functions of RNA are :
RNA act as a messenger molecule.
RNA act as a genetic material in some viruses.
It is a catalytic molecule in some cases.
A structural gone in a lack operon which codes for B-glactosiduse.
A - gene
Z - gene
Y - gene
Both Z and Y gene
positively charged basic proteins associated with DNA.
Nucleosomes
Chromatin fiber
Coreparticles
Histones
Adenine is bonded with Thymine with
3 Hydrogen bonds
1 - Hydrogen bond
5 Hydrogen bonds
2 - Hydrogen bond.
The process of reverse transcription was proposed by ______
Garrod
Marshall and W.Nirenberg
Edward Tatum
H.M. Temin and D. Baltimore