Exam 14: Digestion: Turning a Meal Into Cellular Biochemicals

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________ are lipid vesicles that act to transport fats across the intestinal epithelium.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -ɑ amylase begins the digestion of ____________ in the gut.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________ activation is a mechanism of permanently activating a protease by covalent modification.

Dietary fat is primarily transported from the gut to the ______________.

Inactive chymotrypsinogen will be hydrolyzed to become an active enzyme called ______________.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -In digestion, proteins are ____________ into their individual 20 amino acids.

Acetyl CoA is eventually oxidized to carbon dioxide during which cycle?

Pepsin requires ____________ to become active.

Digestion is:

Amylase digests carbohydrates by cleaving the ______________ bonds of starch.

Glucose transport takes place by:

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The ____________ enzymes are responsible for the hydrolysis of acyl chains from the glycerol backbone.

A(n) ______________ is an inactive enzyme that must be partially digested to attain full enzymatic activity.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________ is the first stage in the oxidation of foods.

Why is the acidification of the stomach juices important for the digestion of proteins?

The emulsification of lipids requires that the ______________ amphipathic molecule be released from the gall bladder.

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -____________ is the mechanism by which the stomach maintains a pH of around 1-2 pH units.

The pancreas releases ___________ to buffer the pH of the stomach juices.

Protein digestion leads to the release of ______________ by intestinal mucosal cells into the blood for use by other tissues.

Which of the following enzymes activates trypsin?