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Year 2 (Protein Metabolism) Quiz on Intro. To Protein Metabolism, created by gina_evans0312 on 04/19/2014.

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Intro. To Protein Metabolism

Intro. To Protein Metabolism

Question 1 of 14

1

Most amino acids are generated inside the body

Select one of the following:

  • True
  • False

Explanation

Question 2 of 14

1

First ingested proteins enter the liver; which of the following are possible metabolic pathways for them?

Select one or more of the following:

  • Broken down for glucose

  • Sent from liver as branched chain amino acids

  • Converted urea and excreted

  • Broken down for the amino group

Explanation

Question 3 of 14

1

How are amino acids used by most organs (other than building proteins)?

Select one of the following:

  • Broken down for energy

  • To build proteins

  • To shunt metabolites around the blood

Explanation

Question 4 of 14

1

The carbon skeletons of amino acids can enter the intermediary metabolism at 7 different points to make energy

Select one of the following:

  • True
  • False

Explanation

Question 5 of 14

1

Amino acids assist in gluconeogesis by creating intermediates in the cycle that can then be used

Select one of the following:

  • True
  • False

Explanation

Question 6 of 14

1

Alanine can be converted to what?

Select one of the following:

  • Pyruvate + Glutamate

  • Ketoglutamate + Glutamate

  • OAA + Glutamate

Explanation

Question 7 of 14

1

Which amino acid can be converted to OAA/fumarate (and Glutamate) for the TCA cycle

Select one of the following:

  • Aspartate

  • Alanine

  • Glutamate

Explanation

Question 8 of 14

1

Glutamate is used to make Ketoglutamate for the TCA cycle and an NH4 for the urea cycle

Select one of the following:

  • True
  • False

Explanation

Question 9 of 14

1

Which aa is used to move excess NH3 from the peripheral tissues?

Select one of the following:

  • 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

Explanation

Question 10 of 14

1

Leu, Val and Ile are all examples of what?

Select one of the following:

  • Branched chain amino acids

  • Basic amino acids

  • Neutral amino acids

Explanation

Question 11 of 14

1

What is the use of branched chain amino acids?

Select one of the following:

  • 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

Explanation

Question 12 of 14

1

The inheritance of Maple Syrup Urine Disease is what kind?

Select one of the following:

  • Autosomal recessive

  • Autosomal dominant

  • Sex-Linked

Explanation

Question 13 of 14

1

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

Select one of the following:

  • True
  • False

Explanation

Question 14 of 14

1

How is MSUD treated?

Select one or more of the following:

  • Diet

  • Excess Glut & Ala

  • Excess Phe & Ser

Explanation

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