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

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.
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.
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
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%
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%