10 Questions
What is the result of the condensation reaction in step 3?
A 4-carbon fragment called acetoacetyl-ACP
What is the maximum length of fatty acid chains that can be obtained through this sequence of reactions?
C16 (palmitic acid)
What is the difference between the structure of NADPH and NADH?
An additional phosphate group on carbon 3’ of one of the ribose units
What is the product of the three consecutive reactions in step 4?
A fully saturated C4 fragment
What is the function of the enzyme system mentioned in the last sentence of the passage?
To add one or more C2 fragments to fatty acids
What is the primary source of carbon atoms in fatty acid synthesis?
The acetyl group of acetyl-CoA
What is the function of acetyl-CoA carboxylase in fatty acid synthesis?
To prepare malonyl-CoA from acetyl-CoA and CO2 at the expense of ATP
Which of the following statements about fatty acid synthesis is TRUE?
Fatty acid synthesis involves the addition of C2 fragments to the growing fatty acid chain
What is the role of ACP-SH in fatty acid synthesis?
To carry the growing fatty acid chain and rotate counterclockwise
What are the essential fatty acids that cannot be synthesized by the human body?
Linoleic and linolenic acids
This quiz covers the steps involved in the synthesis of fatty acids, including the formation of acetyl-FAS and malonyl-ACP, and the condensation reaction that produces acetoacetyl-ACP. Understand the process of fatty acid elongation and the reactions involved.
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