A. mRNA is made by RNA polymerase, using DNA as a template.
45 guanine, 55 adenines
Every cytosine needs a guanine to be a pair, so that is 45 pairs right there.
100-45 = 55
There should be 55 adenine and thymine pairs to fill in the remaining bases
Answer:
A snail.
Explanation:
Sea slugs are in this phylum called mollusks. This group of animals includes animals such as snails.