Lab Quiz #6 vocab Flashcards

1
Q

what is pepsin?

A

a proteolytic enzyme secreted in an inactive form (pepsinogen) by the gastric glands.

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2
Q

what does pancreatic lipase digest?

A

triglycerides (fats) into monoglycerides and free fatty acids

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3
Q

what is emulsification?

A

the separation of large aggregates of fat into smaller droplets

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4
Q

what is emulsification the primary function of?

A

bile salts

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5
Q

what will salivary amylase break polysacharides down into?

A

the disacharide maltose

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6
Q

what is Lugol’s iodine?

A

a standard test for starch and will turn dark blue in the presence of starch

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7
Q

what is Benedict’s solution?

A

a standard test for sugar and if a colored precipitate forms after boiling this is a positive test for sugar

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8
Q

what do proteins start out as?

A

pepsin

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9
Q

where do proteins start?

A

stomach

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10
Q

what is the pH of pepsin in the stomach?

A

2.0

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11
Q

what is pepsin converted into?

A

polypeptide

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12
Q

what is the polypeptide that pepsin is converted into?

A

trypsin

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13
Q

where does trypsin start?

A

duodenum

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14
Q

what is the pH of trypsin in the duodenum?

A

7.0

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15
Q

what are the polypeptides converted into?

A

dipeptides

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16
Q

what dipeptide is trypsin converted into?

A

peptidase (brush border enzyme)

17
Q

what are dipeptides converted into?

A

amino acids

18
Q

what do carbohydrates start as?

A

polysacharides

19
Q

where do polysacharides start?

20
Q

what is the pH of polysacharides in the mouth?

21
Q

what is the pH of salavary amylase in mouth?

22
Q

what are polysacharides converted into?

A

disacharides

23
Q

what converts polysacharides into disacharides?

A

salavary and pancreatic amylase

24
Q

where is salavary amylase?

25
where is pancreatic amylase?
in the duodenum
26
what is the pH of pancreatic amylase?
7.0
27
what are disacharides converted into?
monosacharides
28
what converts disacharides into monosacharides?
bb E2 (maltase)
29
what does fats start as?
triglycerides
30
what are triglycerides converted into?
monoglycerides + 2 fatty acids
31
what converts tryglicerides into monoglycerides?
pancreatic lipase (bile salt)
32
where is pancreatic lipase located?
in the duodenum
33
what is the pH of pancreatic lipase?
7.0