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PSIO202 > Lab 3.3 > Flashcards

Lab 3.3 Flashcards

1
Q

Decrease in pH seems to affect digestion more than decrease in ____________

A

temperature

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2
Q

Breakdown of food into smaller pieces (Ex. Mastication, churning, emulsification, segmentation)

A

Mechanical Digestion

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3
Q

Enzymatic and acidic breakdown of chemical bonds in mouth, stomach, small intestine

A

Chemical digestion

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4
Q

Breakdown of large molecules

A

Catabolize

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5
Q

Proteins that are responsible for regulating the rate of a chemical reaction
- lowers the activation energy
- works in specific temperature and pH range
- specific binding site for substrate

A

Enzymes

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6
Q

Glucose, fructose, ribose

A

Monosaccharides

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7
Q

Sucrose, maltose, lactose

A

Disaccharides

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8
Q

Starch, cellulose, glycogen

A

Polysaccharides

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9
Q

Glucose + fructose

A

Sucrose

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10
Q

Glucose + Galactose

A

Lactose

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11
Q

2 Glucose

A

Maltose

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12
Q

____________ are sugar molecules that are small enough to be absorbed in the GI tract

A

Monosaccharides

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13
Q

Carbohydrate Digestion
Source: Salivary Glands
Substrate: Polysaccharides
Product: Smaller polysaccharides
Location of Reaction: Mouth

A

Salivary amylase

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14
Q

Carbohydrate Digestion
Source: Pancreas
Substrate: Smaller Polysaccharides
Product: Di/Monosaccharides
Location of Reaction: Small Intestine

A

Pancreatic amylase

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15
Q

Carbohydrate Digestion
Source: Brush Border
Substrate: Alpha dextritis
Product: Monosaccharides
Location of Reaction: Small intestine

A

Alpha-Dextrinase

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16
Q

Carbohydrate Digestion
Source: Brush border
Substrate: Sucrose
Product: Glucose + Fructose
Location of Reaction: Small Intestine

A

Sucrase

17
Q

Carbohydrate Digestion
Source: Brush Border
Substrate: Lactose
Product: Glucose + Galactose
Location of Reaction: Small Intestine

A

Lactase

18
Q

Carbohydrate Digestion
Source: Brush border
Substrate: Maltose
Product: 2 Glucose
Location of Reaction: Small Intestine

A

Maltase

19
Q

Protein Digestion
Source: Chief Cells
Substrate: Polypeptides
Product: Smaller Polypeptides
Location of Reaction: Stomach

A

Pepsin

20
Q

Protein Digestion
Source: Pancreas
Substrate: Smaller Polypeptides
Product: Dipeptides, Amino Acids
Location of Reaction: Small Intestine

A

Trypsin/Chymotrypsin

21
Q

Protein Digestion
Source: Brush Border
Substrate: Small Polypeptides
Product: Amino Acids
Location of Reaction: Small Intestine

A

Aminopeptidase

22
Q

Protein Digestion
Source: Brush Border
Substrate: Dipeptides
Product: Amino Acids
Location of Reaction: Small Intestine

A

Dipeptidase

23
Q

Lipid Digestion
Source: Salivary Glands
Substrate: Lipids
Product: Glycerol + Fatty Acids
Location of Reaction: Stomach

A

Lingual Lipase

24
Q

Lipid Digestion
Source: Chief Cells
Substrate: Lipids
Product: Glycerol + Fatty Acids
Location of Reaction: Stomach

A

Gastric Lipase

25
Q

Lipid Digestion
Source: Pancreas
Substrate: Lipids
Product: Glycerol + Fatty Acids
Location of Reaction: Small Intestine

A

Pancreatic Lipase

26
Q

______ emulsifies lipids - mechanically separates oil into small droplets

A

Bile (salts)

PSIO202 (3 decks)

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