8/27/24, 2:42 PM Quiz: Basic Principles of Lipids: NUTR641: Nutritional Biochemistry I (D01)
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Quiz: Basic Principles of Lipids
Due Aug 11 at 11:59pm
Points 80
Questions 40
Time Limit 90 Minutes
Allowed Attempts 2
Instructions
The quiz:
Covers the Textbook material from Module 7: Week 7.
Contains 40 multiple-choice questions.
Is limited to 1 hour and 30 minutes.
Allows 2 attempts.
Is worth 80 points.
Submit this assignment by 11:59 p.m. (ET) on Sunday of Module 7: Week 7.
TAKE THE QUIZ AGAIN
Attempt History
Attempt Time Score
LATEST Attempt 1 58 minutes 78 out of 80
Correct answers are hidden.
Score for this attempt: 78 out of 80
Submitted Aug 2 at 4:26am
This attempt took 58 minutes.
Question 1
pts
The most notable difference between ________ and other lipids is the presence of four fused rings.
arachidonic acid
plasmalogen
ganglioside
triacylglycerol
cholesterol
Question 2
pts
A type of lipid that commonly forms a waterproof barrier and is composed of a fatty acid and a fatty alcohol is called a ________.
capsaicin
, 8/27/24, 2:42 PM Quiz: Basic Principles of Lipids: NUTR641: Nutritional Biochemistry I (D01)
A membrane raft is a(n) ________ in the lipid bilayer of a cell membrane.
integral membrane protein oriented to the extracellular side
transmembrane protein
region of high cholesterol and sphingolipid content
integral membrane protein oriented to the intracellular side
none of the above
Question 4
pts
Which of the following types of fatty acids would be oxidized exclusively in the peroxisome instead of the mitochondria?
branched-chain fatty acids
short-chain saturated fatty acids
very long-chain saturated fatty acids
monounsaturated fatty acids
polyunsaturated fatty acids
Question 5
pts
A type of lipid that commonly forms a waterproof barrier and is composed of a fatty acid and a fatty alcohol is called a(n) ________.
steroid
ganglioside
wax
terpenoid
isoprene
Question 6
pts
Which of the following commonly occurs before cholesterol is packaged into a VLDL?
oxidation to increase water solubility
esterification with a fatty acid
hydration of the alkene
phosphorylation by ATP
all of the above may occur
Question 7
pts
Which of the following best describes the sequence of events for the synthesis of phosphatidylcholine?
CDP-choline reacts with a monoacylglycerol followed by fatty acid addition
a diacylglycerol pyrophosphate reacts with choline
phosphocholine condenses with glycerol-3-phosphate, then two fatty acids are added
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