Answer:
Carbon.
Explanation:
Carbon is a part of all organic compounds.
I think A but im not sure
<span>3’ tcgccctactcgcgtacaccgcgtattgac 5’ </span>turns into:
5' agcgggaugagcgcauguggcgauaacug 3'
adenine becomes uracil hope this helped :)
Because the galaxy is so huge, astronomers had to come up with a unit of measurement able to convey such incredible distance.