G12 Bio

Starches are to simple sugars as proteins are to

• fatty acids.

• double bonds

• amino acids.

Where does the process of chemical digestion begin?

• stomach

• mouth

• small intestine

What “muscular tube” carries food between the pharynx and the stomach?

• small intestine

• esophagus

• epiglottis

The ...................... is a pouch-like organ responsible for storing bile

• gallbladder

• Stomach

• mouth

A mixture of enzymes and partially digested food known as is produced in the stomach.

• bile

• chyme

• bolus

What enzyme found in saliva breaks chemical bonds in starches forming sugars?

• amylase

• pepsin

• chyme

After complex organic molecules have been absorbed in the small intestine, what materials are left behind?

• protein and carbohydrates

• water and cellulose

• fats and starches

Peristalsis causes food to travel through the .................. into the stomach

• small intestines

• esophagus

• stomach

The pancreas produces......................., a base that neutralizes stomach acid so that the enzymes can be effective.

• sugar

• fats

• bile

Name the diagram

• small intestine

• liver

• mouth