12 Questions
Where does the majority of fatty acid synthesis take place?
Cytosol
What is the source of the two carbons used in fatty acid synthesis?
The acetyl group of acetyl CoA
What is the function of the acyl carrier protein (ACP-SH) in fatty acid synthesis?
To carry the growing fatty acid chain
What is the three-carbon unit added to the growing fatty acid chain in each cycle of fatty acid synthesis?
Malonyl-CoA
Which of the following is NOT synthesized by the body?
Linoleic acid
What is the energy cost of synthesizing one malonyl-CoA unit?
One ATP and one CO2
What is the product of the condensation step in fatty acid synthesis?
Acetoacetyl-ACP
What is the maximum length of fatty acid chains obtained through this sequence of reactions?
C16
What is required for the synthesis of unsaturated fatty acids?
NADPH
What is the function of ACP in fatty acid synthesis?
To transfer malonyl-CoA units to the fatty acid chain
What is the product of the three consecutive reactions in step 4?
Butyric acid (C4 fragment)
How are longer fatty acids, such as C18 (stearic acid), obtained?
By adding one or more additional C2 fragments by a different enzyme system
Test your knowledge on fatty acid biosynthesis, including the role of acetyl CoA and the difference between synthesis and degradation pathways. Learn about the exceptions in fatty acid synthesis and how they are produced. Explore the process of fatty acid synthesis and its importance in the body.
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