Question 1

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.

Accepted Answer

A)  ATP-dependent proton pump
B)  G-protein
C)  hydrolyzed
D)  pepsin
E)  digestionF) zymogenG) lipasesH) hydrolysatesI) carbohydratesJ) lipidsK) micelleL) ERK pathway K

Question 2

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.

Accepted Answer

A)  ATP-dependent proton pump
B)  G-protein
C)  hydrolyzed
D)  pepsin
E)  digestionF) zymogenG) lipasesH) hydrolysatesI) carbohydratesJ) lipidsK) micelleL) ERK pathway I

Question 3

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.

Accepted Answer

A)  ATP-dependent proton pump
B)  G-protein
C)  hydrolyzed
D)  pepsin
E)  digestionF) zymogenG) lipasesH) hydrolysatesI) carbohydratesJ) lipidsK) micelleL) ERK pathway F

Question 4

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

Accepted Answer

The answer of Dietary fat is primarily transported from the...

Question 5

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

Accepted Answer

The answer of Inactive chymotrypsinogen will be hydrolyzed to become...

Question 6

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.

Accepted Answer

A)  ATP-dependent proton pump
B)  G-protein
C)  hydrolyzed
D)  pepsin
E)  digestionF) zymogenG) lipasesH) hydrolysatesI) carbohydratesJ) lipidsK) micelleL) ERK pathway

Question 7

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

Accepted Answer

A)   phase 3
B)   the citric acid cycle
C)   glycolysis
D)   oxidative phosphorylation
E)   None of the above.

Question 8

Pepsin requires ____________ to become active.

Accepted Answer

A)   low pH
B)   partial denaturation of protein
C)   zymogen activation
D)   All of the above.
E)   None of the above.

Question 9

Digestion is:

Accepted Answer

A)   the process of breaking down large molecules in food.
B)   the salvage of metabolic intermediates.
C)   creating energy from foodstuff .
D)   the set of reactions that degrades small molecules into a few simple units.
E)   a pathway activated by steroid hormones

Question 10

Amylase digests carbohydrates by cleaving the ______________ bonds of starch.

Accepted Answer

The answer of Amylase digests carbohydrates by cleaving the ______________...

Question 11

Glucose transport takes place by:

Accepted Answer

A)   active transport using the sodium gradient.
B)   active transport using ATP as the energy source.
C)   passive transport using the glucose gradient.
D)   secondary active transport using the potassium gradient.
E)   secondary active transport using the sodium glucose cotransporter.

Question 12

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.

Accepted Answer

A)  ATP-dependent proton pump
B)  G-protein
C)  hydrolyzed
D)  pepsin
E)  digestionF) zymogenG) lipasesH) hydrolysatesI) carbohydratesJ) lipidsK) micelleL) ERK pathway

Question 13

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

Accepted Answer

The answer of A(n) ______________ is an inactive enzyme that...

Question 14

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.

Accepted Answer

A)  ATP-dependent proton pump
B)  G-protein
C)  hydrolyzed
D)  pepsin
E)  digestionF) zymogenG) lipasesH) hydrolysatesI) carbohydratesJ) lipidsK) micelleL) ERK pathway

Question 15

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

Accepted Answer

The answer of Why is the acidification of the stomach...

Question 16

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

Accepted Answer

The answer of The emulsification of lipids requires that the...

Question 17

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.

Accepted Answer

A)  ATP-dependent proton pump
B)  G-protein
C)  hydrolyzed
D)  pepsin
E)  digestionF) zymogenG) lipasesH) hydrolysatesI) carbohydratesJ) lipidsK) micelleL) ERK pathway

Question 18

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

Accepted Answer

A)   a strong base to counter the strong acid
B)   HCl
C)   NaHCO3
D)   pepsin
E)   ATPase-activating protein

Question 19

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

Accepted Answer

The answer of Protein digestion leads to the release of...

Question 20

Which of the following enzymes activates trypsin?

Accepted Answer

A)   zymogenase
B)   pepsin
C)   trypsinase
D)   enteropeptidase
E)   carboxypeptidase

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?