Select the correct option :-
Synapis aligns
homologous chromosomes
Action of enzyme
recombinase
Centromeres do not
separate but chromatids
move towards opposite
poles
Nuclear envelope is a derivative of :-
What causes a green plant exposed to the light ononly one side, to bend toward the source of light asit grows ?
Which of the following does not favour the formationof large quantities of dilute urine ?
Gene regulation governing lactose operon of E.colithat involves the lac I gene product is :
DNA is not present in :-