Protein (Part 2)

Question 1

Protein is absorbed in what 3 forms?

Answer 1

Free AA
Dipeptides
Tripeptides

Question 2

Once absorbed, proteins can be transported out of enterocyte into circulation via what & to where?

Answer 2

Via the Liver
Through Portal Circulation

Question 3

Exogenous & Endogenous proteins being metabolized to produce several nitrogenous compounds would be defined as what?

Answer 3

Anabolism

Question 4

Breakdown of proteins or AA for energy / excretion would be defined as what?

Answer 4

Catabolism

Question 5

What are some examples of Nitrogen excretion products?

Answer 5

Urea
Ammonia
Creatinine
3-Methyl Histidine
Uric Acid

Question 6

Removing an amino group from one compound to another is known as?

Answer 6

Transamination

Question 7

Removing an amine group from an amino acid and getting rid of it would be known as?

Answer 7

Deamination

Question 8

How is deamination different from transamination?

Answer 8

No a-keto acid receptor involved.

Question 9

What vitamin is responsible for transamination?

Answer 9

Vitamin B6

Question 10

The a-keto acid (carbon skeleton) can also be used for?

Answer 10

Energy metabolism