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Macromolecules: Carbohydrates And Lipids
Test Description: This review covers information covering these large organic molecules and the components of their makeup.
Instructions: Answer all questions to get your test result.
1) How many valence electrons do carbon atoms have?
A
zero
B
2
C
6
D
4
2) Due to the number of valence electrons carbon atoms have, what type of bonds do carbon atoms form?
A
double
B
covalent
C
peptide
D
ionic
3) The smaller units that join together to form macromolecules by the process of polymerization are called:
A
monomers
B
dionomers
C
quadronomers
D
trionomers
4) The four major groups of macromolecules found in living things are carbohydrates, lipids, proteins, and:
A
starches
B
peptides
C
cholesterol
D
nucleic acids
5) Glucose, fructose, and galactose are simple sugars that are commonly known as:
A
monosaccharides
B
disaccharides
C
polysaccahriades
D
trisaccharides
6) Fats, oils, and waxes which can be used to store energy, are the most common categories of:
A
proteins
B
carbohydrates
C
lipids
D
nucleic acids
7) Lipids are a large group of biological molecules that are not soluble in water, which means they will not:
A
bond with other lipids
B
store energy
C
dissolve in water
D
form polymers
8) What steroids serve as chemical messengers for the body?
A
anabolic
B
hormones
C
histamines
D
nerve cells
9) Many lipids are formed when a glycerol molecule combines with compounds called:
A
oils
B
nucleic acids
C
fatty acids
D
alcohols
10) What two compounds bond together to form lipids?
A
oils and waxes
B
fatty acids and glycerol
C
glycerol and alcohol
D
waxes and glycerol
*select an answer for all questions
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