Lipids — Quiz Answers

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1
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Which statement is true?

A
Lipids are a type of fat.
B
Fats are a type of lipid.
C
All lipids are fats, and all fats are lipids.
D
Fats and lipids are unrelated.
2
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Which is a component of a phospholipid?

A
long-chain alcohol
B
amino acid
C
hydrophilic head
D
carbon ring
3

Which fat has only single bonds between the carbon atoms in the fatty acid?

A
saturated
B
unsaturated
C
polyunsaturated
D
monounsaturated
4

Where is most of a healthy person’s fat stored?

A
in muscle tissue and cartilage
B
under the skin and around organs
C
in the stomach and liver
D
inside organs and skin cells
5

Which is a main function of lipids?

A
transmitting genetic information
B
providing energy storage
C
forming bone and muscles
D
fighting infection and disease
6

In an oil spill, why does the oil not mix with the seawater?

A
Lipids are saturated.
B
Lipids are hydrophobic.
C
Lipids are hydrophilic.
D
Lipids are unsaturated.
7

Which fat is most likely a solid at room temperature?

A
one with double bonds
B
one that is saturated
C
one that contains no hydrogen
D
one that is unsaturated
8

Which is one function of steroids?

A
waterproofing leaves and feathers
B
serving as chemical messengers
C
providing energy storage
D
insulating and protecting bones and organs
10

Which describes the basic structure of a fatty acid?

A
a long carbon and hydrogen chain and a glycerol
B
a long carbon and hydrogen chain and an alcohol
C
a long carbon and hydrogen chain and a phosphate group
D
a long carbon and hydrogen chain and a carboxyl group

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Lipids — Quiz Answers — Biology