answersLogoWhite

0


Best Answer

Triplet codes are found in genes (DNA).

User Avatar

Wiki User

12y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

12y ago

Gene

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: The triplet codes needed to specify a specific polypeptide chain are found in the?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Continue Learning about Biology

How many ribosomes are needed for the production of a polypeptide containing thirty amino acids?

One.


What does it mean to say that the genetic code is triplet?

Prior to understanding the details of transcription and translation, geneticists predicted that DNA could encode amino acids only if a code of at least three nucleotides was used. The logic is that the nucleotide code must be able to specify the placement of 20 amino acids. Since there are only four nucleotides, a code of single nucleotides would only represent four amino acids, such that A, C, G and U could be translated to encode amino acids. A doublet code could code for 16 amino acids (4 x 4). A triplet code could make a genetic code for 64 different combinations (4 X 4 X 4) genetic code and provide plenty of information in the DNA molecule to specify the placement of all 20 amino acids. When experiments were performed to crack the genetic code it was found to be a code that was triplet. These three letter codes of nucleotides (AUG, AAA, etc.) are called codons. The genetic code only needed to be cracked once because it is universal (with some rare exceptions). That means all organisms use the same codons to specify the placement of each of the 20 amino acids in protein formation. A codon table can therefore be constructed and any coding region of nucleotides read to determine the amino acid sequence of the protein encoded. A look at the genetic code in the codon table below reveals that the code is redundant meaning many of the amino acids can be coded by four or six possible codons. The amino acid sequence of proteins from all types of organisms is usually determined by sequencing the gene that encodes the protein and then reading the genetic code from the DNA sequence.


The nucleus store the DNA needed to synthesize which molecule in the cytoplasm?

DNA is store in nucleus to synthesize protein in cytoplasm through translation. DNA encode the information in form of triplet codons to synthesize proteins.


Where are genes located and what is the nature of genes?

genes are parts of the cell's DNA genome that encode for specific proteins that are needed in the organism (structural, enzymes, membrane proteins,..) they are located at different places in the genome and the metabolic state of the cell will enchance or repress the transcription of this genes.


How did beadle and tatum's research result in the one gene-one polypeptide hypothesis?

The major breakthrough in demonstrating the relationship between genes and proteins came in the 1940s. American geneticists George Beadle and Edward Tatum worked with the orange bread mold Neurospora crassa. Beadle and Tatum studied mutant strains of the mold that were unable to grow on the usual nutrient medium. Each of these mutant strains turned out to lack a single enzyme needed to produce some molecule the mold needed, such as a vitamin or an amino acid. Beadle and Tatum also showed that each mutant was defective in a single gene. Their research led them to propose the "one gene-one enzyme" hypothesis. This hypothesis states that the function of an individual gene is to dictate the production of a specific enzyme.Since then, scientists have learned that some genes actually dictate the production of a single polypeptide, which may make up part of an enzyme or another kind of protein. Beadle and Tatum's hypothesis is now generally stated as one gene-one polypeptide.

Related questions

Triplet codes needed to produce a specific peptide chain comprise the makeup oa a?

gene


What is the smallest segment of DNA needed to produce a polypeptide or protein?

Cistron


How many nucleotides are needed to specify three acids?

Nine nucleotides are needed to specify three amino acids.


How many bases are needed to specify an mRNA codon?

3 bases are needed to specify an mRNA codon.


How many ribosomes are needed for the production of a polypeptide containing thirty amino acids?

One.


What is the result of the translation process?

An amino acid chain


How many codons are needed to specify three amino acids 6 or 9?

The answer is nine because one codon has 3 letters.Improved AnswerThe above answer is completely incorrect. The question is how many codons are necessary to specify three amino acids, not bases (letters). As my original answer (which was removed by the previouis contributor) pointed out, each amino acid requires one codon to specify it, so the basic answer is, three codons are necessary to specify any three amino acids. However, if the questioner had in mind how many codons are necessary to specify a polypeptide consisting of three amino acids, the answer is five, because, in addition to the three codons necessary for the amino acids, a start codon of AUG (on the mRNA transcript), and one stop codon (UAG, UGA,or UAA on the mRNA transcipt) are also needed. So, in this sense, five codons are needed to specify a polypeptide of 3 amino acids.Improved Answer: The answer is 9. ^ fail XD


Why is an insurance contract needed?

An insurance contract is needed to specify the exact terms of the insurance.


How many nucleotides are needed to specify one codon?

three.


What does it mean to say that the genetic code is triplet?

Prior to understanding the details of transcription and translation, geneticists predicted that DNA could encode amino acids only if a code of at least three nucleotides was used. The logic is that the nucleotide code must be able to specify the placement of 20 amino acids. Since there are only four nucleotides, a code of single nucleotides would only represent four amino acids, such that A, C, G and U could be translated to encode amino acids. A doublet code could code for 16 amino acids (4 x 4). A triplet code could make a genetic code for 64 different combinations (4 X 4 X 4) genetic code and provide plenty of information in the DNA molecule to specify the placement of all 20 amino acids. When experiments were performed to crack the genetic code it was found to be a code that was triplet. These three letter codes of nucleotides (AUG, AAA, etc.) are called codons. The genetic code only needed to be cracked once because it is universal (with some rare exceptions). That means all organisms use the same codons to specify the placement of each of the 20 amino acids in protein formation. A codon table can therefore be constructed and any coding region of nucleotides read to determine the amino acid sequence of the protein encoded. A look at the genetic code in the codon table below reveals that the code is redundant meaning many of the amino acids can be coded by four or six possible codons. The amino acid sequence of proteins from all types of organisms is usually determined by sequencing the gene that encodes the protein and then reading the genetic code from the DNA sequence.


Which chemical reactions would be needed to convert a polypeptide into small subunits?

Proteolysis is a chemical reaction that would be needed to convert a polypeptide into small sub-units. By definition, proteolysis is the breakdown of proteins into smaller polypeptides or amino acids. The breakdown occurs through a process called hydrolysis in which the chemical bonds are separated by the addition of water.


How many amps is?

Mpre information is needed to specify the question more accurately.