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3 are needed.

As there are 20 amino acids used in proteins, each amino acid would have to be encoded by a minimum of three nucleotides. For example, a code of two consecutive nucleotides could specify a maximum of 16 (42) different amino acids, excluding stop and start signals. A code of three consecutive nucleotides has 64(43) different members and thus can easily accommodate the 20 amino acids plus a signal to stop protein synthesis.

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8y ago
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15y ago

Three deoxyribonucleic acid (DNA) nucleodites complimentarily hydrogen bond with 3 messenger ribonucleic acid (mRNA) nucleotides. Each set of three DNA or mRNA nucleotides is called a codon. The mRNA goes out of the nucleus into the cytoplasm to a ribosome (assuming eukaryote). A codon (3 nucleotides) of mRNA then hydrogen bonds with the anti-codon portion of the tRNA molecule, which has previously been "loaded" with an amino acid. So, 3 NUCLEOTIDES CODE FOR EACH AMINO ACID. However, more than one set of nucleotides can code for the same amino acid (called degeneracy), and also, the third nucleotide of a specific codon can usually change and still code for the same amino acid (called "wobble"). So definitely 3 nucleotides code for an amino acid, but more than one codon can code for the same amino acid (remember, though, that one codon CAN NOT code for more than one amino acid).

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8y ago

Codons are needed to denote amino acids. You need 20 codons to denote 20 amino acids. You need additional two codons to denote start and stop the synthesis of protein molecule. There are four types of nucleotides. They can denote only four codons. So you have to take second sets of nucleotides. Now that you have 4*4, that is 16 options available to you. These 16 options can not denote the 22 options that you need. So the third sets of four nucleotides has to be taken. Now that you have 4*4*4, that is 64 options available to you. So with three nucleotides, you can easily have more that enough options to denote the 22 options that you need to denote the amino acids and start and stop codons.

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11y ago

You have confused the building blocks of genes, nucleotides, with the building blocks of proteins, amino acids. Your question makes no sense then.

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11y ago

Three nucleotides specify each amino acid.

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14y ago

billions per strand of DNA

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Landon Finn-Thomas

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2y ago

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Q: How many nucleotides make an amino acid?
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Related questions

How many nucleotides are necessary to code for a polypeptide that is 200 amino acids long?

In the genetic code, a sequence of three nucleotides forms a codon, which codes for one amino acid. So for each amino acid, there are three nucleotides. Therefore, 600 nucleotides are needed to make 200 amino acids.


How many amino acids would the a nucleotide have?

3 nucleotides code for 1 amino acid


How many nucleotides are need to code one amino acid?

3


How many nuclotides are needed to make 5329 amino acids?

Each amino acid has three nucleotides (or base codes). 5329 X 3 =15987


How many nucleotides are needed to 'read' or place a single amino acid?

Three.


How many nucleotides are required to encode one amino acid?

A codon, or a 3-base code is required to code for one amino acid.


How many bases on a strand of mRNA code for one amino acid?

3 nucleotides


How many nucleotides are involved in synthesis of a protein that contains 1013 amino acids?

When we exclude the start and termination codon sequences, this leaves 1013 amino acids multiplied by 3 nucleotides per amino acid = 3039 nucleotides, or 1013 codons.


How do nucleotides in the RNA molecule code for various amino acids How many nucleotides code for one amino acid?

Each nucleotide is made up of an organic base, a pentose sugar and a phosphate. Nucleotides can be arranged in various different orders and that order dictates which amino acid it codes for, three amino acids code for one nucleotide. Is this enough detail?


How many amino acids would be in a molecule containing 15000 nucleotides?

One amino acid is encoded by 3 nucleotides. That means 150 amino acids are encoded by 150*3=450 nucleotides. But there are also Start and Stop condons, which are also encoded by 3 nucleotides each. Therefore, I guess, the theoretical minimum is 450 nucleotides and the full (maximum) should be 450+ 3+ 3= 456 nucleotides.


How many amino acids make a codon?

One codon specifies a specific amino acid. However, more than one codon can code for the same amino acid. For example, the codon GUU codes for the specific amino acid valine; and the codons GUC, GUA, and GUG also code for valine.


How many nucleotide bases does it take to specify one amino acid?

i think nine bases are needed for three amino acids because i think it takes three bases to make one amino acid