Metabolism Quiz #3

Digestion of starch in the mouth is a:

• Physical Change

• Chemical Change

Starch molecules break down into:

• Amino Acids

• Protein

• Water

• Glucose

Starch can break apart in the mouth because there are ___________ in our spit.

• Stomach acids

• enzymes

• glucose

• chemical bonds

Fat molecules and protein molecules can break down chemically in the mouth.

• True

• False

What enzyme can break starch into glucose in you mouth?

• Amino Acid

• Amylese

• Fiber

• Stomach acid

Starch molecules have MORE, LESS or EQUAL amounts of chemical bonds holding the chain pieces of the molecule together than fat or protein molecules.

• More

• Less

• Equal

Molecules are made of:

• Cells

• Atoms

• Organs

• Tissues

Protein can break down into:

• Starch

• Amylese

• Amino Acids

• Glucose

Digestion of food begins:

• In the stomach

• In the small intestine

• In the Large Intestine

• In the mouth

What is holding atoms together to make molecules?

• chemical bonds

• magnets

• tiny sticks

• tissues