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WorksheetsFatty Acids
Total questions: 18
Worksheet time: 13mins
Which of the following is NOT considered a lipid?
triglycerides
sterols
pectins
phospholipids
Omega-3 and Omega-6 fatty acids are examples of:
sterols
saturated fatty acids
unsaturated fatty acids
phospholipids
These fatty acids contain all single covalent bonds and have the maximum number of hydrogen atoms:
saturated
unsaturated
polyunsaturated
monounsaturated
"Short-chain" fatty acids contain __________ carbons.
6-10
more than 12
less than 6
none of these
Lipids contain what chemical elements?
carbon, nitrogen, hydrogen
carbon, oxygen, nitrogen
carbon, nitrogen, uranium
carbon, oxygen, hydrogen
Fats are _________ and oils are _________ at room temperature
liquid, solid
solid, liquid
liquid, liquid
solid, solid
All lipids provide ___ calories per gram.
4
9
11
20
Which TWO choices are components of a triglyceride?
fatty acids
glycerol
cholesterol
phosphate
Fatty acids with two or more carbon to carbon double bonds are called:
saturated
monounsaturated
sterols
polyunsaturated
Saturated fatty acids at room temperature tend to be:
solid
liquid
solid or liquid
plasma
Omega-3 fatty acids get their name from:
the first double bond is on carbon #3
they have three carbon atoms
they have three fatty acids
they have 3 double bonds total
Trans fats are considered "bad" because their structures resemble:
oils
saturated fats
cholesterol
polyunsaturated fats
Hydrogenated oils are added to foods to improve: (check two)
increase shelf-life
improve flavor
improve texture (more buttery)
decrease calories
If a food label says it has "zero trans fats", what does this really mean?
it has zero trans fats
it has at least 1 gram per serving
it has less than 0.5 g per serving
it has no more than 5 g per serving
What is the primary function of triglycerides in the body?
store energy
build cell walls
form hormones
carry oxygen
Which of the following is a characteristic of unsaturated fatty acids?
contain at least one double bond
maximum number of hydrogen atoms
found only in animal products
solid at room temperature
What is the structural difference between saturated and unsaturated fatty acids?
Saturated fatty acids have only single bonds; unsaturated have one or more double bonds
Saturated fatty acids are always liquid; unsaturated are always solid
Saturated fatty acids contain oxygen; unsaturated do not
Saturated fatty acids have double bonds; unsaturated have only single bonds
How would the fatty acid in the image be classified?
unsaturated, cis
unsaturated, trans
polyunsaturated
saturated
