Elongases in Lipid Biosynthesis

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Science, Chemistry
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum number of carbons that fatty acid synthase can produce in a fatty acid?
12 carbons
14 carbons
16 carbons
18 carbons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme complex is responsible for elongating fatty acids beyond 16 carbons?
Lipase
Fatty acid synthase
Elongase
Desaturase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of Coenzyme A in the elongation process?
It acts as a carrier protein.
It adds double bonds to fatty acids.
It replaces the acyl carrier protein.
It is a two-carbon donor.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many carbons are added to a fatty acid chain during each cycle of elongation?
Two carbons
Three carbons
Four carbons
One carbon
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between the mechanisms of fatty acid synthase and elongase?
Elongase uses acyl carrier protein.
Elongase uses Coenzyme A instead of acyl carrier protein.
Elongase adds double bonds.
Elongase is located in the mitochondria.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme is responsible for adding double bonds to fatty acids?
Fatty acid synthase
Elongase
Desaturase
Hydrolase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of desaturases in fatty acid metabolism?
They add double bonds to fatty acids.
They break down fatty acids.
They synthesize fatty acids.
They elongate fatty acids.
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