problem set 6

Question 1

how many different D-aldopentoses are there

Answer 1

2^2 = 4

Question 2

How many different aldohexoses are there

Answer 2

2^4 = 16

Question 3

How many different D-2-ketohexoses are there

Answer 3

2^2 = 4

Question 4

sucrose

Answer 4

glucose

fructose

Question 5

starch

Answer 5

glucose

Question 6

glycogen

Answer 6

glucose

Question 7

lactose

Answer 7

glucose

galactose

Question 8

maltose

Answer 8

glucose

Question 9

cellulose

Answer 9

glucose

Question 10

table sugar

Answer 10

fructose

glucose

Question 11

milk sugar

Answer 11

glucose

galactose

Question 12

dextrins

Answer 12

glucose

Question 13

amylose

Answer 13

glucose

Question 14

amylopectin

Answer 14

glucose

Question 15

DNA

Answer 15

D-deoxyribose

Question 16

reducing sugars (4)

Answer 16

1. glucose
2. lactose
3. galactose
4. maltose

Question 17

NOT a carbohydrate

Answer 17

1. amylase

2. glycerol

Question 18

can move through cell membrane

Answer 18

1. fructose
2. glucose
3. galactose
4. ribose

Question 19

what monosaccharide is found in glycolipids in the brain and nerve coverings

Answer 19

galactose

Question 20

what is the carbohydrate used in glue on stamps and wallpaper

Answer 20

dextrin

Question 21

what is the branched part of starch

Answer 21

amylopectin

Question 22

straight chain of starch called

Answer 22

amylose

Question 23

what disaccharide is made from starch

Answer 23

maltose

Question 24

polysaccharide is made from partial hydrolysis of starch

Answer 24

dextrin

Question 25

monosaccharide is given in intravenous feedings

Answer 25

glucose

Question 26

polysaccharide used in the structural component of plants

Answer 26

cellulose

Question 27

products of sucrase reacting with sucrose

Answer 27

glucose | fructose

Question 28

sweetest natrual sugar

Answer 28

fructose

Question 29

name of poly saccharide used to store glucose in the liver and muscle

Answer 29

glycogen

Question 30

products of the acid hydrolysis of lactose

Answer 30

glucose | galactose

Question 31

in the disease galactosemia, an enzyme is missing to metabolize the monosaccharide. it then builds up in the brain and liver. what is it?

Answer 31

galactose

Question 32

what sugar is called dextrose in hospitals

Answer 32

glucose