Limiting Amino Acids




View the animation below, then complete the quiz to test your knowledge of the concept.


Question 1

The total amount of protein a person can make will change based on availability of
A) synthesizing amino acids.
B) non-essential amino acids.
C) essential amino acids.
D) building amino acids.

Question 2

Tryptophan, methionine, threonine and valine are all
A) essential amino acids.
B) non-essential amino acids.
C) bottom amino acids.
D) sufficient amino acids.

Question 3

What happens to protein synthesis when there is a limiting amino acid?
A) protein synthesis increases
B) protein synthesis is limited
C) protein synthesis continues unaffected
D) protein synthesis will only occur in the kidneys

Question 4

In the example shown, what happens to protein synthesis when 100% of valine is provided and tryptophan is limiting?
A) protein synthesis is about 100%
B) protein synthesis is about 75%
C) protein synthesis is about 50%
D) protein synthesis is about 25%

Question 5

In the example shown, what happens to protein synthesis when 100% of histadine is provided?
A) protein synthesis is about 100%
B) protein synthesis is about 75%
C) protein synthesis is about 50%
D) protein synthesis is about 25%