The answer is A.
Straightening of the arm is extension. The triceps (marked D) are responsible for this action. For this to occur the antagonistic muscle, the biceps (marked A) must relax.
Answer:
<em><u>Primase</u></em>
Explanation:
Primase: the enzyme responsible for initiating synthesis of RNA primers on the lagging strand during DNA replication.
The temperature would approximately be around 32 to -13 degrees F
Speciation, when populations evolve to become distinct species
I'm not so sure, but I think it's C.
