The structural gene that codes for transacetylase enzyme which can transfer acetyl group to ẞ- galactoside is
The number of genes found in chromosome 1 and Y-chromosome fo human being are __________ and ¬¬__________ respectively.
Number of structural genes in tryptophan operon is
Number of base pairs in human genome is approximately
In eukaryotes, the first level of regulation of gene expression is
Regulation of lac operon by repressor is called
Which of the following genes provides attachment site for RNA polymerase?
A polycistronic structural gene of lac operon is regulated by
The predominant site for control of gene expression in prokaryotes is
What percentage of human genome codes for proteins?