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Question
STATEMENT-1 : All naturally occurring amino acids are not constituents of proteins.
STATEMENT-2 : Proline and hydroxyproline are imino acids, not amino acids.
STATEMENT-2 : Proline and hydroxyproline are imino acids, not amino acids.
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Solution
The correct option is B STATEMENT-1 is True, STATEMENT-2 is True; STATEMENT-2 is NOT a correct explanation for STATEMENT-1
Option (B) is correct.
S1: All naturally occurring amino acids are not constituents of proteins. These nonprotein amino acids found in food and fodder plants and known to be toxic to man and domestic animals are described. These include toxins from many legume genera including Lathyrus, from other higher plant families, from seaweeds, and from fungi. Some inhibit protein synthesis, while others are incorporated into proteins with toxic effects.
S2: Proline and hydroxyproline are imino acids, not amino acids. An imino acid is a compound that has an imino group and a carboxylic acid group. An imino group is when nitrogen is double bonded to a carbon atom and single bonded to either a hydrogen atom or an sp3 - hybridized carbon atom.
Option (B) is correct.
S1: All naturally occurring amino acids are not constituents of proteins. These nonprotein amino acids found in food and fodder plants and known to be toxic to man and domestic animals are described. These include toxins from many legume genera including Lathyrus, from other higher plant families, from seaweeds, and from fungi. Some inhibit protein synthesis, while others are incorporated into proteins with toxic effects.
S2: Proline and hydroxyproline are imino acids, not amino acids. An imino acid is a compound that has an imino group and a carboxylic acid group. An imino group is when nitrogen is double bonded to a carbon atom and single bonded to either a hydrogen atom or an sp3 - hybridized carbon atom.
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