Quizzes: Enzymes and coenzymes

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Webcytology was created for ThinkQuest 1999.

Enzymes and coenzymes

Enzymes are a special type of
	1.	carbohydrates
	2.	lipids
	3.	proteins
	4.	inorganic compounds

A catalyst is a substance which
	1.	increases the rate of a chemical reaction but is itself unchanged by the reaction
	2.	is toxic to most cells
	3.	is composed mostly of lipids
	4.	does not usually participate in any chemical reactions

The molecule to which an enzyme joins is called its
	1.	coenzyme
	2.	catalyst
	3.	target molecule
	4.	substrate

Coenzymes are best defined as
	1.	organic molecules which can serve as substitutes for enzymes
	2.	inorganic molecules which can serve as substitutes for enzymes
	3.	organic molecules which help in enzyme-catalyzed reactions by bonding with electrons
	4.	inorganic molecules which help in enzyme-catalyzed reactions by bonding with electrons

ThinkQuest Team #27819 - 27819@for.net
Team: Andrew Kallem, Josh Tauberer
Coaches: Ms. Acerra, Mr. Kwitkin