Human diploid cell contains ............ bp.
$4.6 x 10^6$ bp
$6.6 x 10^6$ bp
$6.6 x 10^9$ bp
$9.3 x 10^9$ bp
$DNA$ consists of two complementary nucleotide chains. If the sequence of nucleotide in one of the chains is $AGCTTCGA$, then the nucleotide sequence in the other chain shall be
Escherichia coli is an important material for genetic experiments because
Synthesis of leading and lagging strand require
If an isolated strain of $DNA$ is kept at $82-90^o C$, then
Determination of one amino acid by more than one codon is due to