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

1		What function do many B vitamins serve in the production of energy?
			A)	they function as enzymes
			B)	they function as co-enzymes
			C)	they function as energy sources
			D)	they function as hypoenzymes
2		Enzymes assist in the occurrence of reactions by
			A)	lowering of activation energy.
			B)	raising of activation energy.
			C)	providing ATP.
			D)	using ATP.
3		In the example shown, what co-enzyme is used to assist in the production of ATP from pyruvate?
			A)	green co-factor
			B)	carbon dioxide
			C)	thiamine pyrophosphate
			D)	an apoenzyme
4		Consuming B vitamins in excess of need will
			A)	decrease formation of energy (ATP).
			B)	increase formation of energy (ATP).
			C)	increase rate of muscle formation.
			D)	increase B vitamins in urine.
5		Which B vitamin is found in egg yolk (and other foods) and functions as part of Coenzyme A?
			A)	riboflavin
			B)	niacin
			C)	pantothenic acid
			D)	biotin