Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Life Sciences Fundamental Processes Control of gene expression
A hybrid operon was constructed by fusing the structural genes of trp operon and promoter region of lac operon. Efficient expression of this chimeric operon will require:
1
Presence of both lactose and glucose
2
Absence of lactose and presence of glucose 4 A
3
Presence of both lactose and tryptophan
4
Presence of lactose and absence of glucose
5
Question Not Attempted