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?

<p>It picks up multiple malonyl-CoA units (B)</p> Signup and view all the answers

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

<p>A fully saturated C4 fragment (B)</p> 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?

<p>A different enzyme system (D)</p> Signup and view all the answers

Where does the majority of fatty acid synthesis take place?

<p>Cytosol (D)</p> Signup and view all the answers

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

<p>The acetyl group of acetyl CoA (D)</p> Signup and view all the answers

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

<p>To carry the growing fatty acid chain (D)</p> Signup and view all the answers

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

<p>To convert acetyl-CoA into malonyl-CoA (D)</p> Signup and view all the answers

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

<p>It is bound to HS-ACP (B)</p> Signup and view all the answers

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

<p>To receive the acetyl group from HS-ACP (D)</p> Signup and view all the answers

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