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Fatty Acid Biosynthesis 3

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Questions and Answers

What is the product resulting from the condensation step?

Acetoacetyl-ACP (correct)

Butyryl-ACP

Acetyl-ACP

Malonyl-ACP

What is the maximum length of fatty acid chains obtained through the sequence of reactions described?

C18

C16 (correct)

C14

C12

What is required for the synthesis of unsaturated fatty acids from saturated fatty acids?

NADH

FADH2

CoA

NADPH (correct)

What is the function of the ACP in the fatty acid synthesis process?

It picks up multiple malonyl-CoA units Signup and view all the answers

What is the result of the reduction, dehydration, and reduction reactions in step 4?

A fully saturated C4 fragment Signup and view all the answers

What is the enzyme system responsible for adding additional C2 fragments to form longer fatty acids, such as C18?

A different enzyme system Signup and view all the answers

Where does the majority of fatty acid synthesis take place?

Cytosol Signup and view all the answers

What is the source of the two carbons added to the growing fatty acid chain?

The acetyl group of acetyl CoA Signup and view all the answers

What is the function of the acyl carrier protein (ACP) in fatty acid synthesis?

To carry the growing fatty acid chain Signup and view all the answers

What is the role of acetyl-CoA carboxylase in fatty acid synthesis?

To convert acetyl-CoA into malonyl-CoA Signup and view all the answers

What is the fate of the acetyl group in the first step of fatty acid synthesis?

It is bound to HS-ACP Signup and view all the answers

What is the function of the fatty acid synthase (FAS) enzyme?

To receive the acetyl group from HS-ACP Signup and view all the answers