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Worksheets

Lipids

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Saturated fats are __________ at room temperature.

a)

liquid

b)

solid

2.
The characteristic that all lipids have in common is----
a)
made of lots of double bonds
b)
acidic when mixed with water
c)
no high energy content
d)
do not dissolve in water
3.
The phospholipid bilayer comprises what part of the cell?
a)
cytoplasm
b)
cell membrane
c)
cytoskeleton
d)
nuclear membrane
4.

Part of a phospholipid molecule can mix with water, but the other part cannot. This means the molecule is

a)

hydrophobic

b)

hydrophilic

c)

amphipathic

d)

ambidextrous

5.

Under basic conditions, lipid molecule hydrolysis produces

a)

Glycerol + Water

b)

Glycerol + Fatty acids

c)

Glycerol + Fatty acid salts

d)

Water + Fatty acids

6.

The illustration is a

a)

Glycerophospholipid

b)

Sphingoglycolipid

c)

Sphingophospholipid

d)

Triacylglycerol

7.

Which of the following facts is not TRUE about lipids?

a)

more double bonds, increase in melting point

b)

sparingly soluble in water but insoluble in organic solvents

c)

act as thermal insulators

d)

solubility decreases with increasing carbon chain length

8.

Fatty Acids differ in there chain length and their

a)

protein carriers

b)

Side chains

c)

energy level

d)

degree of saturation

9.

What lipoprotein is responsible for transporting fat in blood?

a)

VLDL

b)

Chylomicrons

c)

HDL

d)

LDL

10.

Trans Fatty Acids are formed due to the partial reduction of polyunsaturated oils by hydrogenation.

a)

True

b)

False