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Biology 242 Midterm > Mechanical and Chemical Digestion > Flashcards

Mechanical and Chemical Digestion Flashcards

1
Q

Large molecules resulting from anabolism

A

macromolecule

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2
Q

A biological catalyst

A

Enzyme

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3
Q

The molecule acted on by an enzyme

A

Substrate

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4
Q

Process that happens to nutrients after digestion

A

absorption

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5
Q

Enzyme that hydrolyzes lipid

A

lipase

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6
Q

Enzyme that hydrolyzes protein

A

protease

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7
Q

Enzymes that hydrolyzes starch

A

amylase

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8
Q

The molecule produced as a result of an enzymatic process

A

product

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9
Q

proteins are hydrolyzed and absorbed as…

A

amino acids

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10
Q

lipids are hydrolyzed into and absorbed as…

A

glycerol and fatty acids

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11
Q

carbohydrates are hydrolyzed into and absorbed as…

A

monosaccharides

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12
Q

Carbohydrate digestion begins in the…

A

mouth

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13
Q

Bile salts prepare lipids for digestion by a process called…

A

emulsification

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14
Q

Lipid digestion begins in the…

A

stomach

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15
Q

Protein digestion begins in the…

A

stomach

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16
Q

The reagent used to test for the presence of starch was

A

Lugols iodine

17
Q

The reagent used to test for sugar was

A

Benedicts solution

18
Q

Three major macromolecules digested in our GI tract

A

carbohydrates, lipids, proteins

19
Q

Tubes with no enzyme added act as

A

controls

20
Q

at what pH does the enzyme that digests carbohydrates work best at?

A

neutral

21
Q

what is the reason we chew food?

A

to increase surface area

22
Q

positive test for the presence of sugar is indicated by what colour?

A

green, yellow, orange, or red

23
Q

positive test for the presence of starch is indicated by which colours?

A

blue or black

24
Q

Enzymes that digest carbs are produced by what organs?

A

salivary glands, pancreas, and small intestine

25
Q

enzymes that digest lipids are produced by what organs?

A

mouth, small intestine, stomach

26
Q

enzymes that digest proteins are produced by what organs?

A

stomach, pancreas, small intestine

Biology 242 Midterm (11 decks)

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