Lipogenesis: Investigating the Synthesis of Fats from Acetyl-CoA Online Test

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Lipogenesis: Investigating the Synthesis of Fats from Acetyl-CoA

Description: Lipogenesis: Investigating the Synthesis of Fats from Acetyl-CoA
Number of Questions: 15
Created by: Aliensbrain Bot
Tags: biochemistry lipid metabolism fatty acid synthesis

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Which enzyme catalyzes the first committed step in lipogenesis?

Acetyl-CoA carboxylase
Fatty acid synthase
Glycerol-3-phosphate acyltransferase
Malonyl-CoA decarboxylase

What is the role of malonyl-CoA in lipogenesis?

It is a substrate for fatty acid synthase
It is a cofactor for acetyl-CoA carboxylase
It is an inhibitor of fatty acid synthase
It is a product of fatty acid synthase

Which enzyme catalyzes the condensation of malonyl-CoA with acetyl-CoA?

Acetyl-CoA carboxylase
Fatty acid synthase
Glycerol-3-phosphate acyltransferase
Malonyl-CoA decarboxylase

What is the role of NADPH in lipogenesis?

It is a cofactor for acetyl-CoA carboxylase
It is a cofactor for fatty acid synthase
It is a cofactor for glycerol-3-phosphate acyltransferase
It is a cofactor for malonyl-CoA decarboxylase

Which enzyme catalyzes the transfer of a fatty acid from acyl-CoA to glycerol-3-phosphate?

Acetyl-CoA carboxylase
Fatty acid synthase
Glycerol-3-phosphate acyltransferase
Malonyl-CoA decarboxylase

What is the role of phosphatidic acid in lipogenesis?

It is a substrate for diacylglycerol acyltransferase
It is a cofactor for acetyl-CoA carboxylase
It is an inhibitor of fatty acid synthase
It is a product of fatty acid synthase

Which enzyme catalyzes the conversion of phosphatidic acid to diacylglycerol?

Acetyl-CoA carboxylase
Fatty acid synthase
Glycerol-3-phosphate acyltransferase
Phosphatidic acid phosphatase

What is the role of diacylglycerol in lipogenesis?

It is a substrate for triacylglycerol acyltransferase
It is a cofactor for acetyl-CoA carboxylase
It is an inhibitor of fatty acid synthase
It is a product of fatty acid synthase

Which enzyme catalyzes the transfer of a fatty acid from acyl-CoA to diacylglycerol?

Acetyl-CoA carboxylase
Fatty acid synthase
Glycerol-3-phosphate acyltransferase
Triacylglycerol acyltransferase

What is the role of triacylglycerol in lipogenesis?

It is a storage form of fatty acids
It is a cofactor for acetyl-CoA carboxylase
It is an inhibitor of fatty acid synthase
It is a product of fatty acid synthase

Where does lipogenesis primarily occur in the body?

Adipose tissue
Liver
Muscle
Brain

What is the role of insulin in lipogenesis?

It stimulates lipogenesis
It inhibits lipogenesis
It has no effect on lipogenesis
It both stimulates and inhibits lipogenesis

What is the role of glucagon in lipogenesis?

It stimulates lipogenesis
It inhibits lipogenesis
It has no effect on lipogenesis
It both stimulates and inhibits lipogenesis

What is the role of leptin in lipogenesis?

It stimulates lipogenesis
It inhibits lipogenesis
It has no effect on lipogenesis
It both stimulates and inhibits lipogenesis

What is the role of AMP-activated protein kinase (AMPK) in lipogenesis?

It stimulates lipogenesis
It inhibits lipogenesis
It has no effect on lipogenesis
It both stimulates and inhibits lipogenesis

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