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The step of translation in which amino acids are added one at a time to the growing polypeptide is?
The step of translation in which amino acids are added one at a time to the growing polypeptide is called elongation. During elongation, transfer RNA (tRNA) molecules carrying amino acids enter the ribosome and add their amino acids to the growing chain in a sequence determined by the mRNA codons.
How many amino acids will be in the first amino acid in every growing polypeptide?
The first amino acid in a growing polypeptide chain is usually methionine when translation initiates in eukaryotes, and formylmethionine in prokaryotes. Therefore, there will be one amino acid in the first position of every growing polypeptide chain.
Is A polypeptide is a sequence of proteins or amino acids?
A polypeptide is a chain of amino acids linked together by peptide bonds. It is not a sequence of proteins, but rather a precursor to protein formation. When a polypeptide chain folds into a specific structure, it becomes a functional protein.
A long chain of many amino acids is called a?
Polypeptides are chains of amino acids linked by peptide bonds.
Is polypeptide an amino acid?
No, a polypeptide is not an amino acid. A polypeptide is a chain of amino acids linked together by peptide bonds. Amino acids are the building blocks of proteins and are the individual units that make up a polypeptide chain.
What dictates the corresponding sequence of amino acids in a growing polypeptide chain?
The sequence of amino acids being added to the growing polypeptide chain is controlled by the instructions (codons, 3-base codes) on the mRNA. These are a copy of the coding regions of the gene from the DNA in the nucleus.
How many strings of amino acids dose a polypeptide consist of?
a polypeptide is ten or more amino acids bonded together
What is added to the polypeptide strand?
Amino acids are added to the growing polypeptide strand during protein synthesis. Ribosomes facilitate the process by reading the mRNA and catalyzing the formation of peptide bonds between the amino acids. This results in the elongation of the polypeptide chain until a stop codon is reached.
Building block unit of a polypeptide chain?
The building block unit of a polypeptide chain is an amino acid. Amino acids are organic compounds containing an amine group and a carboxylic acid group, along with a side chain that is specific to each amino acid. Multiple amino acids are linked together via peptide bonds to form a polypeptide chain.
What carries amino acids to ribosomes where amino acids are linked to polypeptide?
Transfer RNA (tRNA) molecules carry amino acids to ribosomes where they are linked to the growing polypeptide chain during protein synthesis. Each tRNA molecule carries a specific amino acid and has an anticodon sequence that base pairs with the codon on the mRNA.
What is the relationship between the linear sequence of codons on mRNA and the linear sequence of amino acids in a polypeptide?
The linear sequence of codons on mRNA corresponds to the linear sequence of amino acids in a polypeptide through the process of translation. Each three-nucleotide codon on the mRNA molecule codes for a specific amino acid, and the sequence of codons determines the order in which amino acids are added to the growing polypeptide chain. This relationship is known as the genetic code.
What do you call a chain of 25 amino acids?
a chain of 25 amino acids can be called a peptide chain ---------------------------------------------------------------------------------- Two or united amino acids form a *dipeptide* Three a *tripeptide* Ten or more a *polypeptide* More than 50 *protine* Therefore a chain of 25 amino acids is a polypeptide :D
