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WorksheetsN5.2 Phospholipids and Sterols
Total questions: 21
Worksheet time: 12mins
Phospholipids makes up about (a) % of dietary lipids.
Phosphate groups are
hydrophobic
hydrophilic
neutral
uncharged
Soy lecithin is a common ingredients in sauces and dressings. As a phospholipid, it acts as a(n)
emulsifier
sweetener
flavoring
liquifier
Which part of the phospholipid molecule is hydrophobic?
phosphate head
glycerol
fatty acid tail
the entire molecule is hydrophobic
Which part of the phospholipid molecule is hydrophilic?
phosphate head
glycerol
fatty acid tail
the entire molecule is hydrophobic
Which term best describes the dual hydrophobic/hydrophilic nature of phospholipids?
amphipathic
hydropathic
hydrophobic
the entire molecule is hydrophobic
Phospholipids are important cell membrane components because:
They have glycerol
The combine covalently with proteins
They have surfactant properties
They form bilayers in water
Chylomicrons are required to carry lipids through the bloodstream because the lipids are ______ but the phospholipids are _____.
hydrophobic; amphipathic
hydrophobic; hydrophilic
hydrophilic; hydrophobic
amphipathic; hydrophobic
Cholesterol is important for cell membranes to maintain _____. (Check all that apply.)
stability
fluidity
temperature
waterproofing
Cholesterol provides kcals when eaten in the diet.
true
false
Which of the following is a healthier source of sterols?
animal foods
plant foods
Cholesterol can be found in
animal-derived foods
plant-derived foods
both plant and animal foods
This product has vegetable oils added to improve its omega fatty acid content. These added fats are thus considered
functional sterols
saturated fats
unsaturated fats
cholesterol replacements
Steak is high in cholesterol. Which of the following terms applied to the cholesterol in steak? (Check all that apply.)
endogenous
exogenous
dietary
functional
The Daily Value for dietary cholesterol is (a) mg daily.
Atherosclerosis is communicable
True
False
Do you think Atherosclerosis is a chronic or an acute disease?
Chronic
Acute
This is a condition where fat builds up and hardens inside of an artery.
heart attack
heart failure
atherosclerosis
stroke
