A-Y shaped structure that appears when the DNA helix is unwound up to a point,
Okazzaki fragment
Lagging strand
leading strand
Replication fork
The role of m-RNA in protein synthesis.
Provides template
Provides amino acids
Plays structural and catalytic role
None of these
The length of one full turn of a DNA molecule is
36 Ao
32 Ao
34 Ao
20 Ao
Which bacterial strains can cause pneumonia
R - Strains
S- strains
Both R and Strains
In Eukaryotes the replication takes place at
G1 - phase
G2 - phase
S - phase
Both G and S phase
The t RNA occurs in the __________.
Nucleus
Cell wall
Cyto plasm
Both a and b
The length of the DNA depends on the which fact ?
Shape of the nucleotides.
Number of nucleotides.
Length of nucleotides.
All of the above.
The technique of DNA finger printing was developed by.
Grrod
Jacques Monad
Alec Jeffreys
Francois Jacob
the process of polymerization of amino acids to form a poly peptide
Transcription
Translation
Operon
none of the above
Regulation of Lac operon by repression is referred.
Positive regulation
Negative regulation