2. During translation, an mRNA molecule is used as a set of instructions to assemble amino acids into a polypeptide chain in a particular order by:

answer; hypnagogic sensations)

substitution is the answer in this case

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.