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Flashcards in Digestion Deck (26)
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1

Starch is a ___________.

polysaccharide

2

Polysaccharide contains a large number of _______ monosaccharide units joint together by _____ bonds.

Glucose
glycosidic

3

All PLANT seeds and tubers contain starch predominately as ______ and _______.

Amylase
amylopectin

4

Long unbranched chains of glucose, with glucose units linked at C1 and C4 - represent alpha 1,4 bonds.

amylose

5

Highly branched polymer of glucose, with glucose units linked by alpha 1,4 in linear fashion and 1,6 bonds at the branched which occur at every 24 to 30 glucose units.

amylopectin

6

Glycogen has similar (to amylopectin) ______ and _____ ______ bonds

Alpha 1,4 and 1,6 glycosidic

7

Three major classes of carbohydrates

Monosaccharide
Polysaccharide
disaccharides

8

Glucose and fructose are ________.

monosaccharide

9

Sucrose, lactose, and maltose are ________.

disaccharides

10

Starch is a _________.

Polysaccharide.

11

Sucrose is made up of _____ and ______.

Glucose and fructose

12

Lactose is made up of?

Glucose and galactose

13

Humans can only process sugars with the ____ formation.

D - dextra (think Delicious Disaccharides)

14

A polysaccharide with several 100 to 10,000 beta 1,4 linked D-glucose units.

Cellulose

15

Why can't humans digest cellulose?

They lack enzyme cellulase

16

Salivary amylase breaks down what?

maltose

17

Maltese is made up of?

Two glucose molecules

18

Pancreatic amylase aka?

Alpha amylase

19

This enzyme is present in small intestine cleaving 1/4 links to release di- and polysaccharides facilitating starch breakdown.

Pancreatic amylase (alpha amylase)

20

Breaks down trisaccharides into mono- and di- saccarides.

trisaccharidase

21

Breaks down disaccharides into the monosaccharide - glucose, fructose, and galactose.

disaccharidase

22

Breaks down sucrose into fructose and glucose

sucrase

23

Breaks down lactose into galactose and glucose.

lactase

24

Lactose is secreted by what?

Intestinal villi

25

What happens with lactose intolerance?

Undigested lactose remains in gut and ferments causing bloating and diarrhea.

26

Glucose is absorbed and stored in they body as ______ in what two places?

Glycogen
Skeletal muscle and liver