T-rex lived in the Late Cretaceous period during the Mesozoic era. Dunno if this was precisely what you were looking for, but I hope it's helpful!
Answer:
Should be D since what the helicase does is unwind the dna and seperate it into the 2 strands
Explanation:
Answer:
no they are always working especially when sleeping becuase the body isnt using excess energy
law is any concept that is true and real while theory is a concept which nobody can tell weather it is true or false
for eg :
Law- every action has equal and opposite reaction
(It is law because it is proven)
Theory- Big bang theory
(no one no it true or false)
Option A, B, D are only applicable for steroid hormones ( hydrophobic)
So the answer is C
