Answer:
Option D, Essentially none
Explanation:
The essential condition for lac operon to express its subsequent proteins i.e laz A, lacZ and lacY are as follows –
a) Absence of glucose
b) Presence of Lactose.
In fact absence of glucose is must. In case when lactose is absent and glucose is present then the lac z sub-protein whose product is β-galactosidase is not expressed. In fact in lac z breaks down lactose into glucose and galactose in absence of glucose.
Hence, option D is correct
Is the 1st step in asking ecological questions
Sweating and shivering. Sweating occurs when you get too hot and your body is trying to cool you down, shivering is when it's too cold and your body is trying to produce heat.
Answer:
A mudslide is actually a great threat to a community
Explanation:
