Enzymes facilitate chemical reactions. They draw water into the small intestine. They are present in all parts of the GI tract. They encourage bacterial growth. They are changed during digestion. What are enzymes?
1) Proteins that facilitate chemical reactions
2) Molecules that draw water into the small intestine
3) Substances that are present in all parts of the GI tract
4) Compounds that encourage bacterial growth
5) Substances that are changed during digestion