WorksheetsLipids_Quiz
Total questions: 25
Worksheet time: 13mins
This molecule is...
A saturated fatty acid
An unsaturated fatty acid
Glycerol
Glucose
This molecule is...
A saturated fatty acid
An unsaturated fatty acid
Glycerol
Glucose
This is a...
cis monounsaturated fatty acid
trans monounsaturated fatty acid
cis polyunsaturated fatty acid
This diagram represents a...
Saturated fatty acid
Monounsaturated fatty acid
Polyunsaturated fatty acid
Glycerol and a fatty acid combine by means of a...
Peptide bond
Hydrogen bond
Glycosidic bond
Ester bond
Which molecules join to form a triglyceride?
One glycerol and three fatty acids
Three glycerols and one fatty acid
Three glycerols and three fatty acids
Triglycerides are a suitable molecule for insulation because
They are liquid at body temperature
They are poor conductors of heat
They are good conductors of heat
A phospholipid molecule is formed from...
One glycerol, one fatty acid and a phosphate
One glycerol, two fatty acids and a phosphate
One glycerol, one fatty acid and two phosphates
The head of a phospholipid is...
Hydrophilic
Hydrophobic
Neither
Both
In this picture of a cell membrane, what colour are the phospholipid molecules?
Blue
Yellow
Red
White
Phospholipids are a good molecule to form a cell membrane because...
They are soluble in water
They let most chemicals pass through
Most chemicals cannot pass through them
They form a strong, solid layer which holds the cell together
Which of these elements is NOT present in lipids?
Nitrogen
Carbon
Oxygen
Hydrogen
Trans Fatty Acids are formed due to the hardening of polyunsaturated oils by hydrogenation.
True
False
Supplements of omega-3 fatty acids or fish oil are recommended for most people.
True
False
Deficiencies in essential fatty acids can cause skin abnormalities and poor wound healing.
True
False
All saturated and trans fats in foods raise harmful blood cholesterol.
True
False
Identify a saturated fat. Check all that apply.
Soybean oil
Chicken fat
Coconut oil
Fish oil
Bile acts as an ______ to help break down fat by allowing fat to mix with digestive juices.
protein
emulsifier
enzyme
antioxidant
Which of the following are of elements of fatty acid structure?
i. A long hydrocarbon chain
ii. A carboxylic acid group
iii. Methyl or omega (ω) end
iv. water
i, ii and iii
ii, iii and iv
i, iii and iv
i, ii, iii and iv
increase risk of heart disease
Which of the following is closely related with the above statement?
saturated fatty acid
monounsaturated fatty acid
polyunsaturated fatty acid
cis fatty acid
liquid at room temperature but start to solidify at refrigerator temperatures
Which of the following is closely related to the above statement?
saturated fatty acid
monounsaturated fatty acid
polyunsaturated fatty acid
triglycerides
Which of the following are functions of cholesterol?
i. Component of cell membrane
ii. Needed for synthesize of some hormones
iii. Needed for synthesize of vitamin D in the skin
iv. Needed for synthesize of bile acids
i, ii and iii
ii, iii and iv
i, iii and iv
i, ii, iii and iv
transport lipids in blood and lymph
Which of the following is closely related to the above statement?
Monounsaturated fatty acid
Triglycerides
Lipoprotein
Waxes
Which diagram is a triglyceride?
Which of these is not a function of lipids?
