Explanation:
DNA and RNA base pairing is slightly different since DNA uses the bases adenine, thymine, cytosine, and guanine; RNA uses adenine, uracil, cytosine, and guanine. Uracil differs from thymine in that it lacks a methyl group on its ring.
Answer:
codons
proteins
it helps with Stage 2
in the nitrogen cycle you need bacteria to help it change into different forms of matter
Answer:false
