CH 24- Carbohydrate Digestion

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1

Amino acid

proteins are broken down into

2

Glucose

starch into

3

Enzymatic hydrolysis

chemical digest occurs through

4

Hydroysis

uses water to split polymers for CHO

5

Enzymes

porteins designed to speed up chemical reaction

6

Monomers

products of chemical digestions; building block that make up food

7

Absorption

mechanism moved through mucosa through *active transport and facilitated diffusion*

8

Active transport and facilitated diffusion

2 transport mechanism of absorption

9

Mouth

where does chemical of CHO start?

10

Salivary amylase

splits starch into oligosaccharides

11

Pancreatic amylase and brush border enzyme

what 2 enzyme are located in the SI for CHO digestion

12

Oligosaccharide

salivary amylase break CHO into..

13

Pancreatic amylase

breaks down mostly into maltose

14

brush border enzyme

finishes digestion in SI

15

Dextrinase and Glucoamylase
(bush border)

these 2 enzymes in the SI act on larger sugars

16

Maltase, Sucrase, Lactase
(brush border)

after dextrinase and glucoamylase act on large sugars these 3 enzymes break into monosaccharide

17

Facilitated diffusion and *sodium* cotransport

mono and disaccharides are moved by (2)

18

Disaccharide or Trisaccharide

CHO in the stomach and SI are broken down into what 2 sugars

19

Monosaccharides

the final sugar CHO are broken down to
(after lactase, maltase, sucrase and diffusion/cotransport occur into intestinal mucosa)

20

Vitamins, Water, Electrolytes

what 3 substances can be absorbed without preliminary processing
(special transports may be involved)

21

Nucleic acids

nucleotides broken to

22

Maltase

enzyme in SI splits bonds btw two glucose molecules of disaccharide

23

Sucrase

enzyme in SI splits sucrose into glucose and fructose

24

Lactase

hydrolyzes lactose into molecule of glucose and on galactose

25

Split 2 glucose molecules

maltase

26

Glucose + Fructose

sucrase splits

27

Glucose + Galactose

lactose

28

facilitated diffusion

transport moves one molecule at a time

29

Facilitated diffusion

transport does not require ATP

30

Facilitated diffusion

transport will NOT occur if there is an opposing concentration gradient

31

Cotransport

transport move more than 1 molecule at a time

32

Cotransport

transport expend ATP to preserve homeostasis

33

Cotransport

transport CAN still occur if there is an opposing concentration gradient

34

Cotransport

transport responsible for the uptake of glucose and sodium in cell

35

Malt*o*se

pancreatic amylase in SI break CHO mostly in