Chapter 7 - Lesson 1

Question 1

What is the primary role of dietary carbohydrates?

Answer 1

to provide energy for the body

Question 2

Except for __ and __, all carbohydrates are plant-derived.

Answer 2

lactose, glycogen

Question 3

What are some examples of starches?

Answer 3

grains, corn, rice, barley, vegetables, beans, wheat

Question 4

What classification of carbogydrates define the single sugar units of glucose, fructose, and galactose and represent the absorbable forms of carbohydrates for the body?

Answer 4

monosaccharides

Question 4

What classification of carbohydrates define pairs of sugar units. The three nutritionally important ones to humans are sucrose, maltose, and lactose?

Answer 4

disaccharides

Question 5

What classification of carbohydrates

Answer 5

define glucose chains longer than 10 units in length, but they can be as large as several thousand glucose units in length.

Question 6

What are collectively known as simple sugars?

Answer 6

monosaccharides, disaccharides

Question 7

What are oligosaccarides?

Answer 7

They define sugar units ranging from 3 to 10 units in length and are largely indigestible to humans.

Question 8

Once absorbed, carbohydrates can be __ as a source of fuel or can be stored as __ in specific cells.

Answer 8

used immeditately, glycogen

Question 9

What is the only absorbably form of carbohydrates?

Answer 9

monosaccharides

Question 11

What are the three nutritionally important monosaccharides to humans? (hydrocarbons)

Answer 11

glucose, fructose, galactose

Question 12

Disaccharides are comprise of which three nutritionally important molecules?

Answer 12

sucros, lactose, maltose

Question 13

What is sucrose comprised of?

Answer 13

one glucose molecule joined with one fructose molecule; cane sugar, brown sugar, date sugar; primary sugar in most fruits

Question 14

What is lactose comprised of?

Answer 14

one glucose molecules joined with one glactose molecule; dairy

Question 15

What is maltose comprised of?

Answer 15

two glucose molecules; corn syrup, brown rice syrup, molasses

Question 17

Oligosaccharides are also referred to as __ and include legumes, and plant sources that contain glucose, frutose, and/or glactose

Answer 17

prebiotics

Question 18

What is a straight-chain and digestible form of starch containing glucose molecules?

Answer 18

amylose

Question 19

What is a branched-chain and digestible form of starch containing glucose molecules?

Answer 19

amyplopectic

Question 20

How are polysaccharide chains arranged?

Answer 20

amylsoe, amylopectic, fiber (block)