BIOMOLECULES AND ENZYMES

BIOLOGY

STRUCTURE OF PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Chain of amino acids is called ____
A
Amino Acid
B
Polypeptide
C
Monomer
D
Polymer
E
Protein
Explanation: 

Detailed explanation-1: -When connected together by a series of peptide bonds, amino acids form a polypeptide, another word for protein. The polypeptide will then fold into a specific conformation depending on the interactions (dashed lines) between its amino acid side chains.

Detailed explanation-2: -A peptide is a short chain of amino acids. The amino acids in a peptide are connected to one another in a sequence by bonds called peptide bonds. Typically, peptides are distinguished from proteins by their shorter length, although the cut-off number of amino acids for defining a peptide and protein can be arbitrary.

Detailed explanation-3: -Peptides (from Ancient Greek (peptós) ‘digested’, from (péssein) ‘to digest’) are short chains of amino acids linked by peptide bonds. A polypeptide is a longer, continuous, unbranched peptide chain. Polypeptides which have a molecular weight of 10000 or more are called proteins.

Detailed explanation-4: -A polypeptide is a polymer of amino acids joined together by peptide bonds. Etymology: Greek polýs (many) + peptide. Larger polypeptides or more than one polypeptide that occur together are referred to as proteins.

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