Exam 39: Digestive System Processes: Chemical and Physical

Which of the following enzymes digests carbohydrates?

The evidence that trypsin digested protein to amino acids is _.

Fats, in the presence of litmus (that indicates pH of the solution), are shown to be digested .

In the laboratory assay on digestion of the protein BAPNA by trypsin, what was the purpose of including a tube with trypsin alone?

Bile .

Which type of movement in the GI system propels food along the entire alimentary canal?

This protein-digesting enzyme works optimally at pH 1.5-2.0. What is the enzyme, and where is it produced?

Digestive enzymes _.

Amylase and starch are mixed and placed at 0°C. After the IKI test, the solution turns black. A Benedict's test yields a negative result. Was starch digested? How do you know?

The end products of digestion of carbohydrates are .

In the assay in which fat was digested, is the substrate, and is the hydrolase.

The pancreas produces this protein-digesting enzyme.

When carbohydrates are digested, the following molecules can be absorbed: .

This fat-digesting enzyme does the major work of digesting fats in the small intestine.

The digestive enzymes tested in the laboratory function best at this temperature.

Which of the following is not a protein digesting enzyme?

This test detects starch in solution.

When proteins are digested, the following molecules can be absorbed: .

Which type of movement in the GI system is primarily responsible for moving chyme back and forth, mixing it with digestive juices and promoting the absorption of nutrients?

This enzyme, produced by the salivary glands, digests carbohydrates.