Concept explainers
(a)
Interpretation : The type of protein that describes the given statement “In the amino acid, the interaction of R groups results in formation of disulphide bonds or ionic bonds” needs to the determined.
Concept Introduction : Proteins are
They polymerise by peptide linkage to form dipeptide, oligopeptide and polypeptide molecules. Each peptide bond formation is a condensation reaction that occurs with the elimination of water molecule.
(b)
Interpretation : The type of protein that describes the given statement “In the polypeptide chains the amino acids are joined by peptide bonds”needs to the determined.
Concept Introduction : Proteins are polymeric biomolecules which are formed by the polymerisation of amino acids. Amino acids are the organic molecules with
They polymerise by peptide linkage to form dipeptide, oligopeptide and polypeptide molecules. Each peptide bond formation is a condensation reaction that occurs with the elimination of water molecule.
(c)
Interpretation : The type of protein that describes the given statement “In the beta-pleated sheet the polypeptides have hydrogen bonding interactions with the polypeptides in adjacent chains” needs to the determined.
Concept Introduction : Proteins are polymeric biomolecules which are formed by the polymerisation of amino acids. Amino acids are the organic molecules with
They polymerise by peptide linkage to form dipeptide, oligopeptide and polypeptide molecules. Each peptide bond formation is a condensation reaction that occurs with the elimination of water molecule.
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- Which of the following describes the primary structure of proteins? a. The collective shape assumed by all of the chains in a protein containing multiple chains. b. The folding of an individual protein molecule. c. The regular repeated shape of the protein molecules backbone. d. The sequence of amino acids bonded together by peptide bonds.arrow_forwardWhich of the following are true concerning the chemical bond that forms between the carboxyl (RCOOH) group of one amino acid and the amino (RCNH2) group of another? a.The bond is called a peptide bond. b.It is formed by inserting a water molecule between them. c.It is formed by a dehydration reaction. d.A polypeptide has more of these bonds than a protein.arrow_forwardWhat functional groups are found in all amino acids? How many different amino acids are found in naturally occurring proteins?arrow_forward
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