NURSING EXAM QUESTIONS
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Proline and hydroxyproline are amino acids?
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Yes
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Yes, because of its amino group
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No, are imino acids
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No, are proteins
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Explanation:
Detailed explanation-1: -Proline and hydroxyproline contains an -imino group and, therefore, they are -imino acids (Fig. 1). However, because proline is a substrate for protein synthesis like a-AA and hydroxyproline is its post-translational metabolite, they are loosely referred to as AA in biochemistry.
Detailed explanation-2: -Hydroxyproline is a neutral heterocyclic protein amino acid. It is found in collagen and as such it is common in many gelatin products. Hydroxyproline is mostly used as a diagnostic marker of bone turnover and liver fibrosis.
Detailed explanation-3: -Amino Acid. Glycine. Peptide. Protein. Amino Acid Transporter. Collagen. Gelatin. Hydroxyproline. More items
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