Question

question 4
lac z codes for b-galactosidase which converts glucose into lactose
true
false
question 5
b-galactosidase acts as the repressor in this system
true
false

Explanation:

Question 4: LacZ codes for β-galactosidase, which breaks down lactose into glucose and galactose, not converting glucose to lactose.
Question 5: The repressor in the lac operon is encoded by lacI, not β-galactosidase (encoded by lacZ).

Answer:

Question 4: False
Question 5: False