Question
What is the difference between a codon and a nucleotide? A codon and a gene?
Step 1
A nucleotide is the basic building block of DNA and RNA. It is composed of a sugar, a phosphate, and a nitrogenous base. The nitrogenous bases in DNA are adenine (A), guanine (G), cytosine (C), and thymine (T). In RNA, thymine is replaced by uracil (U). Show more…
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