Lipid Metabolism

Lipid Metabolism

University

15 Qs

quiz-placeholder

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Lipid Metabolism

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Assessment

Quiz

Biology

University

Hard

Created by

PRAVEEN KUMAR

Used 44+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following are major end products of the digestion of TAG?

Phospholipids and amino acids

Glucose and fructose

2-MAG, 1-MAG, glycerol, and fatty acids

Cholesterol esters and bile salts

Answer explanation

Media Image

Digestion of TGL occurs with the help of pancreatic lipase,

isomerase and a colipase. The major end products of the digestion of TAG are 2-MAG, 1-MAG, glycerol and

fatty acids

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following molecules is essential for the emulsification and absorption of lipids in the small intestine?

Pancreatic Lipase

Gastrin

Bile Salts

Pepsin

Answer explanation

Bile salts are essential for emulsifying and absorbing lipids in the small intestine. They help in breaking down large lipid droplets into smaller ones, making it easier for lipases to digest them. Bile salts also aid in the absorption of lipids by forming micelles that can diffuse across the intestinal epithelium.

3.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

The acyl-CoA formed in the cytosol is transported to the ___ for oxidation using a shuttle involving the intermediate formation of acyl- _____.

mitochondrial matrix,   coenzyme A.

mitochondrial matrix,  carnitine.

microsomes,   Coenzyme A.

None of the above

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The complete beta-oxidation of palmitoyl CoA yield

8 molecules of Acetyl CoA and 7 NADH

8 molecules of Acetyl CoA and 7 FADH2

8 molecules of Acetyl CoA, 7 NADH, and 7 FADH2

8 molecules of Acetyl CoA and 16 NADPH

5.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

Which of the following step is committed to the formation of ketone bodies?

Formation of Acetoacetyl CoA catalyzed by thiolase

Formation of HMG CoA catalyzed by HMG CoA synthase

Splitting of HMG CoA to acetyl CoA and acetoacetate catalyzed by HMG CoA lyase

Reduction of acetoacetate to Beta-hydroxybutyrate catalyzed by Beta-hydroxybutyrate dehydrogenase

Answer explanation

Media Image

6.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

________ Substrate which is required _______ enzyme for the formation of Malonyl CoA during Fatty acid Synthesis

Acetyl CO-A, Acetyl CO-A Carboxylase

Acetyl CO-A, Acetyl CO-A Decarboxylase

Acetyl CO-A, Acetyl CO-A dehydrogenase

Acyl CO-A, Acyl CO-A Carboxylase

7.

MULTIPLE CHOICE QUESTION

45 sec • 2 pts

Synthesis of fatty acid requires _____, while degradation requires _____and ______

NADPH, NAD & FAD

NADH, NAD & FAD

NADPH, NADH & FADH2

FAD, NAD & FAD

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