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DNA representations are usually shown by single letters on the crossbars between the sides of the helix. DNA is a polymer. The monomer units of DNA are designated by these letters and each represents a nucleotide. Each nucleotide is made up of:

  • a 5-carbon sugar (deoxyribose)
  • a nitrogen containing base attached to the sugar
  • a phosphate group


Each of the four different types of nucleotides found in DNA have a different nitrogenous baseand are identified by one letter abbreviations for convenience. They are:

  • A is for adenine
  • G is for guanine
  • C is for cytosine
  • T is for thymine
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What are the 4 letters of the DNA code?

AGCU or AGCT are letters that stand for 4 nucleobases. In RNA, the bases are Adenine, Guanine, Cytosine, and Uracil (RNA bases). In DNA, the bases are Adenine, Guanine, Cytosine, and Thymine (DNA bases).


List the full names of the letters that make up the DNA code?

A: Adenine, T: Thymine, C: Cytosine, G: Guanine


What are the 4 letters that make up the alphabet code 4 DNA?

a t c and g they represent adenine thymine cytosine and guanine


Do letters make up the DNA molecule code for genes?

A, G, C, U whereas in DNA we have A,G,C,T in conclusion we have uracil that substitutes thymine in an RNA sequence


What are the DNA letter pairs that make up the genetic code?

The DNA letter pairs that make up the genetic code are adenine (A) paired with thymine (T), and cytosine (C) paired with guanine (G).


How is DNA like the alphabet?

DNA could be compared to the alphabet in that different combinations of genes in DNA all together make up an entire person. Similarly, all the letters in the alphabet make up our entire language.


What part of nucleic acid allows it to be used to form a code?

The form of nucleic acid that allows it to be used as a code is DNA. This is because DNA is the genetic code for everyone's genetic make up.


What part of a nucleic acid allows it to be used to form code?

The form of nucleic acid that allows it to be used as a code is DNA. This is because DNA is the genetic code for everyone's genetic make up.


What part of a nucleic acid allows to be used to form a code?

The form of nucleic acid that allows it to be used as a code is DNA. This is because DNA is the genetic code for everyone's genetic make up.


What does the letter "A" stand for in DNA?

The letter "A" in DNA stands for adenine, which is one of the four nitrogenous bases that make up the genetic code.


What is the importance of the letters A T C G?

These four letters are abbreviation of four nucleotides that make up DNA.


How are RNA and DNA used to make protein?

DNA has coded instructions for making proteins, and RNA translates the code.