Digestion

Question 1

Starch is a ___________.

Answer 1

polysaccharide

Question 2

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

Answer 2

Glucose

glycosidic

Question 3

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

Answer 3

Amylase

amylopectin

Question 4

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

Answer 4

amylose

Question 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.

Answer 5

amylopectin

Question 6

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

Answer 6

Alpha 1,4 and 1,6 glycosidic

Question 7

Three major classes of carbohydrates

Answer 7

Monosaccharide
Polysaccharide
disaccharides

Question 8

Glucose and fructose are ________.

Answer 8

monosaccharide

Question 9

Sucrose, lactose, and maltose are ________.

Answer 9

disaccharides

Question 10

Starch is a _________.

Answer 10

Polysaccharide.

Question 11

Sucrose is made up of _____ and ______.

Answer 11

Glucose and fructose

Question 12

Lactose is made up of?

Answer 12

Glucose and galactose

Question 13

Humans can only process sugars with the ____ formation.

Answer 13

D - dextra (think Delicious Disaccharides)

Question 14

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

Answer 14

Cellulose

Question 15

Why can’t humans digest cellulose?

Answer 15

They lack enzyme cellulase

Question 16

Salivary amylase breaks down what?

Answer 16

maltose

Question 17

Maltese is made up of?

Answer 17

Two glucose molecules

Question 18

Pancreatic amylase aka?

Answer 18

Alpha amylase

Question 19

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

Answer 19

Pancreatic amylase (alpha amylase)

Question 20

Breaks down trisaccharides into mono- and di- saccarides.

Answer 20

trisaccharidase

Question 21

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

Answer 21

disaccharidase

Question 22

Breaks down sucrose into fructose and glucose

Answer 22

sucrase

Question 23

Breaks down lactose into galactose and glucose.

Answer 23

lactase

Question 24

Lactose is secreted by what?

Answer 24

Intestinal villi

Question 25

What happens with lactose intolerance?

Answer 25

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

Question 26

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

Answer 26

Glycogen

Skeletal muscle and liver