What is the genetic code?
A. The order of amino acids in proteins makes up the genetic code.
B. The order of amino acids in mRNA makes up the genetic code.
C. The order of nitrogen bases in tRNA makes up the genetic code.
D. The order of nitrogen bases in DNA makes up the genetic code.
Is it D?
I agree with D.
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Yes, the correct answer is D. The order of nitrogen bases in DNA makes up the genetic code.
To arrive at this answer, we must first understand the components involved in the genetic code. The genetic code is the set of rules by which the information in DNA is converted into functional proteins.
DNA is composed of a sequence of nucleotides, which are molecules made up of a sugar (deoxyribose), a phosphate group, and a nitrogenous base. There are four nitrogen bases in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G). The order or sequence of these nitrogen bases provides the instructions for building and maintaining an organism.
The genetic code is determined by the specific pairing of these nitrogen bases. Adenine always pairs with thymine (A-T), and cytosine always pairs with guanine (C-G). The order or sequence of these base pairs along the DNA molecule is what makes up the genetic code.
Therefore, the correct answer is D. The order of nitrogen bases in DNA makes up the genetic code.