Amino Acids Anabolism and Lipids Metabolism Quiz
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Questions and Answers

Which process involves the conversion of an amino acid to a keto acid through the transfer of an amino group to a keto group?

  • Deamination
  • Decarboxylation
  • Oxidative deamination
  • Transamination (correct)
  • Which of the following amino acids is considered essential in preterm infants?

  • Tryptophan
  • Arginine (correct)
  • Methionine
  • Isoleucine
  • In the oxidation of fatty acids, which enzyme is responsible for converting fatty acids to CoA thioesters?

  • Acyl-CoA synthetase (correct)
  • Acyl-CoA dehydrogenase
  • Carnitine acyltransferase 1 (CPT1)
  • Carnitine acyltransferase 2 (CPT2)
  • Which of the following amino acids is classified as nonessential?

    <p>Proline</p> Signup and view all the answers

    Which of the following molecules are produced during fatty acid oxidation by hydroxyaryl-CoA dehydrogenase?

    <p>NADH</p> Signup and view all the answers

    Which enzyme is involved in transferring the acyl group back to CoA in the mitochondria during fatty acid oxidation?

    <p>Carnitine acyltransferase 2 (CPT2)</p> Signup and view all the answers

    What is the main function of transamination?

    <p>Transfer amino groups to form new amino acids</p> Signup and view all the answers

    Which enzyme is involved in the process of decarboxylation?

    <p>Decarboxylases</p> Signup and view all the answers

    Which amino acid is produced by the transamination reaction of glutamate with oxaloacetate?

    <p>Aspartate</p> Signup and view all the answers

    Why are 12 out of the 22 amino acids readily synthesized by the body called nonessential?

    <p>They are not required in the diet</p> Signup and view all the answers

    Which term best describes amino acids that must be acquired through the diet?

    <p>Essential amino acids</p> Signup and view all the answers

    Why is the synthesis and collection of amino acids critical for cell survival?

    <p>To synthesize vitamins and nucleotides</p> Signup and view all the answers

    What is the main function of transamination in the context of amino acid metabolism?

    <p>To convert one amino acid into another amino acid</p> Signup and view all the answers

    Which process involves the removal of a carboxyl group from an amino acid?

    <p>Decarboxylation</p> Signup and view all the answers

    Which statement best describes essential amino acids?

    <p>Essential amino acids must be obtained from the diet because the body cannot synthesize them.</p> Signup and view all the answers

    What distinguishes nonessential amino acids from essential amino acids?

    <p>Nonessential amino acids can be synthesized by the body in adequate amounts.</p> Signup and view all the answers

    During the anabolism of amino acids, what is the primary purpose of synthesizing molecules from smaller components?

    <p>To build functional complex biomolecules like proteins</p> Signup and view all the answers

    Which of the following accurately describes anabolism in relation to energy requirements?

    <p>Anabolism requires energy to build up biomolecules from simpler components.</p> Signup and view all the answers

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