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 (A)</p> Signup and view all the answers

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

<p>NADH (A)</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) (C)</p> Signup and view all the answers

What is the main function of transamination?

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

Which enzyme is involved in the process of decarboxylation?

<p>Decarboxylases (A)</p> Signup and view all the answers

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

<p>Aspartate (C)</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 (C)</p> Signup and view all the answers

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

<p>Essential amino acids (A)</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 (C)</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 (A)</p> Signup and view all the answers

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

<p>Decarboxylation (B)</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. (D)</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. (B)</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 (C)</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. (D)</p> Signup and view all the answers

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