QUIZ CH 6,7,8

The liver uses cholesterol to make _____.

Bile

_______ is a condition characterized by the accumulation of scar tissue in the liver leading to its irreversible damage.

Cirrhosis of the liver

_____ is the process that changes the normal shape of a protein and, as a result, the molecule loses its usual function.

Denaturation

Most unsaturated fatty acids exist in nature as trans fatty acids.

False

Which of the following statements is true?

Fat contributes to the flavor of foods.

Which of the following foods is naturally a good source of high-quality protein?

Fat-free milk

Which of the following foods is a good source of omega-3 fatty acids?

Flaxseeds

_________ is the breakdown of glycogen into glucose molecules.

Glycogenolysis

Which of the following substances carries cholesterol away from tissues?

HDL

Which of the following lipoproteins contains the highest percentage of cholesterol?

LDL

____ is a type of malnutrition that results primarily from not consuming enough calories.

Marasmus

Which of the following foods is a high-protein snack that can replace a snack that contains animal protein?

Peanut butter on crackers

After absorption, amino acids travel to the liver via the hepatic portal vein.

True

A large quantity of ATP molecules is produced during ___________.

aerobic metabolism when adequate oxygen is present in the cell

The hormone insulin has a(n) ____________________effect.

anabolic

Proteins _____________.

are comprised of amino acids

Which of the following foods naturally contains cholesterol?

beef

An essential amino acid

cannot be synthesized in the body in sufficient quantity to meet body needs.

The hormone epinephrine has a(n) __________________ effect.

catabolic

The hormone glucagon has a(n) _________________effect.

catabolic

The metabolic reaction that breaks down larger molecules into smaller ones is called _______

catabolism

Glucagon instructs liver cells to

degrade glycogen to release glucose

Most lipids have _____ in their chemical structures.

fatty acids

In the body, lipids _____.

help maintain cell membranes

The chemical element found in all amino acids but not found in either carbohydrates or fats is

nitrogen

n proteins, amino acids are joined by _______________ bonds.

peptide

Lecithin is a type of _____.

phospholipid

Which of the following compounds can be used for energy? (Check all that apply)

proteins carbohydrates

Energy is defined as____________.

the capacity to perform work

_______________ does not eat any animal foods and consumes only plant products.

vegan