A true
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Answer:
with bases
Explanation:
Genetic information is coded in DNA by means of four bases: two purines (adenine and guanine) and two pyrimidines (thymine and cystosine). Each adjacent sequence of three bases (a codon) determines the insertion of a specific amino acid. In RNA, uracil replaces thymine.
hope this helps, pls mark brainliest :D
A constant (I probably didn't spell that right) is every letter of the alphabet that isn't a vowel.Like a is a vowel but b isn't so b is a constant
