Lesson 1: Carbohydrates Flashcards Preview

Biochemistry Final Exam > Lesson 1: Carbohydrates > Flashcards

Flashcards in Lesson 1: Carbohydrates Deck (15):
1

A D-configuration of a monosaccharide has its hydroxyl group on the left. True or False?

False

2

Amylose

Select one:
a. Is made up exclusively of glucose molecules
b. Has α 1-4 glycosidic bonds
c. All of these answers are correct
d. Is a linear unbranched polymer
e. Is a polysaccharide

c. All of these answers are correct

3

An aldopentose has

Select one:
a. An aldehyde group and three carbons
b. A ketone group and three carbons
c. An aldehyde group and six carbons
d. A ketone group and five carbons
e. An aldehyde group and five carbons

e. An aldehyde group and five carbons

4

Enantiomers are stereoisomers that are not mirror images. True or False?

False

5

Galactose has

Select one:
a. 5 carbon atoms
b. 6 carbon atoms
c. 4 carbon atoms
d. 3 carbon atoms
e. 7 carbon atoms

b. 6 carbon atoms

6

Glycogen is found primarily in

Select one:
a. Wood
b. Plant seeds
c. Liver and skeletal muscle
d. Liver
e. Skeletal muscle

c. Liver and skeletal muscle

7

Homopolysaccharides are composed of only a single type of monosaccharide unit. True or False?

True

8

Humans are unable to use the glucose stored in cellulose as an energy source. True or False?

True

9

Lactose is made up of

Select one:
a. Glucose only
b. Fructose and galactose
c. Galactose only
d. Glucose and galactose
e. Glucose and fructose

d. Glucose and galactose

10

Monosaccharide units of polysaccharides are joined by

Select one:
a. Amino linkages
b. Phosphate ester linkages
c. Glycosidic linkages
d. Alditol linkages
e. None of these answers are correct

c. Glycosidic linkages

11

Monosaccharides containing a ketone group are classified as ketoses. True or False?

True

12

The anomeric carbon of an aldose is

Select one:
a. Carbon 5
b. Carbon 3
c. Carbon 4
d. Carbon 1
e. Carbon 2

d. Carbon 1

13

The simplest carbohydrate is called

Select one:
a. A monosaccharide
b. An amino acid
c. A carbon
d. Sucrose
e. A fatty acid

a. A monosaccharide

14

Which of the following is NOT a common disaccharide

Select one:
a. Lactose
b. Maltose
c. Fructose
d. None of these answers are correct
e. Sucrose

c. Fructose

15

Which of the following is NOT an amino sugar?

Select one:
a. D-galactosamine
b. D-glucosamine
c. D-fructose
d. D-mannosamine
e. All of these are amino sugars

c. D-fructose