Answer:
D
Explanation:
You can immediately eliminate B and C. So between A and D, D is the best answer.
Its A, blood circulates the hormones
Electrons get “excited” or charged by sunlight, then they move on through the photosystem 2 and 1 along the etc or electron transport chain
Why is the active site specific for only one type of substrate? Enzymes have a lock and key type fit so only a specific substrate fits in the activation site.
Answer:
Promoter Strength
Explanation:
More than increasing mRNA stability, the promoter strength can be tuned to increase the gene expression by producing more quantities of the mRNA. The strength is based on efficient promoter recognition and rapid binding of the DNA polymerase.
hope it helps : )