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Flashcards in Carbohydrates-EXAM 2 Deck (135)
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1

what is the primary role of carbohydrates

to supply energy by conversion to glucose

2

what sugars are simple

monosaccharides and disaccharides

3

what sugars are complex

polysaccharides

4

what atoms are in a carbohydrate

carbon, hydrogen, and oxygen

5

how many carbon, hydrogen, a and oxygen atoms are in a carbohydrate molecule?

6, 12, 6

6

what is the sweetest sugar

fructose

7

what is the fruit sugar

fructose

8

glucose is also called

dextrose

9

what sugar is seldom free ion nature

galactose

10

what sugar is part of lactose

galactose

11

what does sucrose consist of

glucose and fructose

12

what does lactose consist of

glucose and galactose

13

what does maltose consist of

glucose and glucose

14

all disaccharides have

glucose

15

what is lactose intolerance

the inability to break down a lactose disaccharide

16

what does condensation do

links 2 monosaccharides together

17

what does hydrolysis do

breaks a disaccharide in two

18

polysaccharides are composed mainly of

glucose units

19

what saccharide should contribute to 45-60% of caloric intake

polysaccharide

20

what polysaccharide serves as a storage form of glucose in plants

starch

21

what polysaccharide serves as a form of glucose storage in animals

glycogen

22

where is glycogen stored in animals

in the liver and muscle

23

how does glycogen occur

through a condensation reaction

24

what is the richest food source

grains

25

what is the structural part of plants

fiber

26

phytates can bind some

minerals

27

what minerals can phytates bind

Zn, Fe, Ca, Mg, Cu

28

what are some examples of fibers

cellulose, hemicellulose, pectins, gums, mucilages, lignins

29

can humans digest cellulose?

no

30

what fibers are more fermentable

soluble