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Question


The structure formed by the sequence of amino acids in a polypeptide chain is called

A
Primary
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B
Secondary
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C
Tertiary
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D
Quaternary
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Solution

The correct option is A Primary
A) Primary proteins are the straight chain of amino acids join by peptide bonds.
B) Secondary structure refers to local folded structures that form within a polypeptide due to interactions between atoms of the backbone.
C)The tertiary structure is primarily due to interactions between the R groups of the amino acids that make up the protein.
D) Some proteins are made up of multiple polypeptide chains, also known as subunits and these combine together to form quaternary proteins.
Hence, the correct answer is 'Primary'.

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