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Lipids Answers

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Which statement is true?

A
Lipids are a type of fat.
B
Fats are a type of lipid.
C
Fats and lipids are unrelated.
D
All lipids are fats, and all fats are lipids.
2
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Which fat is most likely a solid at room temperature?

A
one that is saturated
B
one that is unsaturated
C
one with double bonds
D
one that contains no hydrogen
5

Which is a main function of lipids?

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

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

A
saturated
B
unsaturated
C
polyunsaturated
D
monounsaturated
8

Which is a component of a phospholipid?

A
carbon ring
B
hydrophilic head
C
long-chain alcohol
D
amino acid
9

Which describes the basic structure of a fatty acid?

A
a long carbon and hydrogen chain and a phosphate group
B
a long carbon and hydrogen chain and a glycerol
C
a long carbon and hydrogen chain and a carboxyl group
D
a long carbon and hydrogen chain and an alcohol
10

Which statement best describes a direct result of damage to a phospholipid bilayer?

A
The balance of ions inside a cell will be disrupted and proteins could leak out because the phospholipid bilayer forms the cell membrane.
B
Energy storage will be disrupted because the phospholipid bilayer is responsible for storing energy in the body.
C
Chemical messages could not be sent to different parts of the body because the phospholipid bilayer forms hormones.
D
A person would be vulnerable to disease because the phospholipid bilayer helps to fight infections in the body.

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