NUTRITION Flashcards

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1
Q

AMINO ACIDS

A

Organic building blocks of proteins containing both a carboxyl and an amino group.

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2
Q

PEPTIDE BOND

A

A chemical bond that connects two amino acids.

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3
Q

SUBSTRATES

A

Intermediate forms of nutrients used in metabolic reactions to create adenosine triphosphate.

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4
Q

PROTEIN TURNOVER

A

A process in which the body breaks down existing proteins and recycles the component amino acids for incorporation into new proteins or other nitrogen-containing compounds.

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5
Q

complete protein

A

A protein source that provides all essential amino acids.

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6
Q

HBV PROTEINS

A

foods containing all 9 essential amino acids

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7
Q

LBV proteins

A

foods missing 1 or more essential amino acids

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8
Q

ENTEROCYTE

A

intestinal cells that absorb nutrients

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9
Q

GLUCONEOGENESIS

A

The formation of glucose from noncarbohydrate sources (proteins and fats).

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10
Q

Anaerobic

A

PROCESSES RELATING TO THE ABSENCE OF OXYGEN

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11
Q

AEROBIC

A

PROCESSES RELATING TO OXYGEN

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12
Q

Thermic effect of food (TEF)

A

The energy required to digest, absorb, and process nutrients that are consumed.

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13
Q

SIMPLE SUGARS

A

Include the monosaccharides and disaccharides; easily absorbed into the bloodstream.

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14
Q

Monosaccharides

A

Simplest form of carbohydrate; single sugar molecules (e.g., glucose).

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15
Q

Disaccharides

A

Two monosaccharides joined together to form a simple sugar. The three disaccharides of nutritional importance include lactose, sucrose, and maltose.

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16
Q

GLYCOGEN

A

the storage form of carbohydrates

17
Q

complex carbohydrates

A

Polysaccharides; long chains of simple sugars. Examples include whole grains, legumes, and vegetables.

18
Q

adipose tissue

A

An alternative term for fat, used primarily to store energy.

19
Q

glycemic index

A

Number (0–100) assigned to a food source that represents the rise in blood sugar after consuming the food.

20
Q

glycemic load

A

Similar to glycemic index but takes into account the amount of food (carbohydrate) eaten.

21
Q

LOW GI FOODS

A

(55 OR LESS) EX: COWS MILK, NON STARCHY VEGETABLES, WHOLE GRAINS, BEANS

22
Q

MEDIUM GI FOODS

A

(55-69) EX: RAISINS, MAC N CHEESE, HAMBURGER BUN, PINEAPPLE, BANANA

23
Q

HIGH GI FOODS

A

(70 OR ABOVE) GLUCOSE, HARD CANDY, INSTANT RICE, SPORTS DRINKS

24
Q

LIPIDS

A

Group of fats/fatty acids and their derivatives, including triglycerides, phospholipids, and sterols.

25
Q

PHOSPHOLIPIDS

A

Type of lipid (fat) comprised of glycerol, two fatty acid chains, and a phosphate group.

26
Q

STEROLS

A

A group of lipids with a ringlike structure. Cholesterol is a type of sterol.

27
Q

UNSATURATED FATS

A

Fatty acids with one or more points of unsaturation (double bond) in their chemical structure.

28
Q

SATURATED FATS

A

A type of triglyceride; chemical structure has no double bonds (points of unsaturation); usually solid at room temperature. Examples: butter, lard, whole milk, beef, processed meats, and tropical oils.

29
Q

What is the optimal ratio of omega-6 to omega-3 fatty acids in the diet?

A

4:1

30
Q

TRACE MINERALS

A

minerals present in small traces in the body (iron, zinc, fluoride, selenium, etc)

31
Q

WATER SOLUBLE VITAMINS

A

B AND C VITAMINS