Uracil is the nitrogen base only in rna
The art of breathing in someway.
Answer:
C.
Explanation:
It's chemistry, not genetic engineering
The answer is triceps muscles. These muscles run along the back
of the upper arm while the biceps run along the front. The triceps muscles
allow the arm to extend at the joint of the elbow, therefore an antagonist of the biceps that bend the forearm.