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Fatty Acid Synthesis Steps Quiz

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Questions and Answers

Which molecule is used as the immediate substrate in fatty acid synthesis?

Malonyl-CoA

Glycerol 3-Phosphate

NADPH

Acetyl-CoA (correct)

In adipose tissue, which enzyme is absent that is involved in the activation of Glycerol for triglyceride synthesis?

Glycerol-3-phosphate acyltransferase

Acyl CoA synthetase

Glycerol kinase (correct)

Hormone-sensitive lipase

What are the cofactor requirements for fatty acid synthesis?

NADPH, ATP, Mn2+, biotin, and HCO3– (correct)

NADH, ATP, Mg2+, biotin, and CO2

NADH, ADP, Zn2+, biotin, and CO2

NADPH, ATP, Cu2+, biotin, and HCO3–

How are triglycerides mostly transported out of the liver after synthesis?

Through Very Low-Density Lipoproteins (VLDL) (D) Signup and view all the answers

Which molecule is carboxylated to form malonyl-CoA in fatty acid synthesis?

Acetyl-CoA (C) Signup and view all the answers

Where are fatty acids synthesized by an extra mitochondrial system?

Cytoplasm (C) Signup and view all the answers

Which molecule is shuttled out of mitochondria as citrate in relation to fatty acid synthesis?

$Acetate$ (B) Signup and view all the answers

What is the end product of the process of fatty acid synthesis?

$Palmitate$ (D) Signup and view all the answers

What is converted to triglycerides when molecules obtained from the diet exceed the body's need?

$Carbohydrates$ (A) Signup and view all the answers

What happens to the TAGs synthesized in adipose tissues?

They are stored in adipose tissues. (D) Signup and view all the answers