Intro. To Protein Metabolism

Descrição

Year 2 (Protein Metabolism) Quiz sobre Intro. To Protein Metabolism, criado por gina_evans0312 em 19-04-2014.
gina_evans0312
Quiz por gina_evans0312, atualizado more than 1 year ago
gina_evans0312
Criado por gina_evans0312 mais de 12 anos atrás
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Resumo de Recurso

Questão 1

Questão
Most amino acids are generated inside the body
Responda
  • True
  • False

Questão 2

Questão
First ingested proteins enter the liver; which of the following are possible metabolic pathways for them?
Responda
  • Broken down for glucose
  • Sent from liver as branched chain amino acids
  • Converted urea and excreted
  • Broken down for the amino group

Questão 3

Questão
How are amino acids used by most organs (other than building proteins)?
Responda
  • Broken down for energy
  • To build proteins
  • To shunt metabolites around the blood

Questão 4

Questão
The carbon skeletons of amino acids can enter the intermediary metabolism at 7 different points to make energy
Responda
  • True
  • False

Questão 5

Questão
Amino acids assist in gluconeogesis by creating intermediates in the cycle that can then be used
Responda
  • True
  • False

Questão 6

Questão
Alanine can be converted to what?
Responda
  • Pyruvate + Glutamate
  • Ketoglutamate + Glutamate
  • OAA + Glutamate

Questão 7

Questão
Which amino acid can be converted to OAA/fumarate (and Glutamate) for the TCA cycle
Responda
  • Aspartate
  • Alanine
  • Glutamate

Questão 8

Questão
Glutamate is used to make Ketoglutamate for the TCA cycle and an NH4 for the urea cycle
Responda
  • True
  • False

Questão 9

Questão
Which aa is used to move excess NH3 from the peripheral tissues?
Responda
  • Arg- it can carry up to four extra NH3
  • Phe- it can carry up to four extra NH3
  • Asp- it can carry up to four extra NH3

Questão 10

Questão
Leu, Val and Ile are all examples of what?
Responda
  • Branched chain amino acids
  • Basic amino acids
  • Neutral amino acids

Questão 11

Questão
What is the use of branched chain amino acids?
Responda
  • Can be temporarily substituted for F.As in all tissues
  • Can be used to shuttle NH3 to the liver
  • Have carbon skeletons that can be attached to proteins

Questão 12

Questão
The inheritance of Maple Syrup Urine Disease is what kind?
Responda
  • Autosomal recessive
  • Autosomal dominant
  • Sex-Linked

Questão 13

Questão
In MSUD, the mutation is in Branched Chain K-Dehydrogenase, so branched chain amino acids cannot be broken down
Responda
  • True
  • False

Questão 14

Questão
How is MSUD treated?
Responda
  • Diet
  • Excess Glut & Ala
  • Excess Phe & Ser

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