Lipid MCQs

Biochemistry Objective Questions

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1. The key enzyme in the regulation of fatty acid synthesis is

A. acetyl CoA carboxylase

B. AMP activated proteinkinase

C. protein phosphatase

D. none of these

2. Arachidonate has 20 carbon atoms with

A. 3 double bonds

B. 2 double bonds

C. 4 double bonds

D. 8 double bonds

3. In the intestine, the dietary fats are hydrolysed by

A. triacylglycerol lipase

B. adenylate cyclase

C. pancreatic lipase

D. protein kinase

4. HDLs are synthesized in

5. Triacylglycerols are

A. soluble in water

B. insoluble in water

C. soluble in water at elevated temperature

D. partially soluble in water

6. Animals cannot convert fatty acids into glucose because

A. acetyl CoA can not be converted to pyruvate

B. absence of malate synthase

C. absence of dehydrogenase

D. absence of a-ketoglutarate dehydrogenase

7. In eukaryotes fatty acid breakdown occurs in

A. mitochondrial matrix

C. cell membrane

D. endoplasmic reticulum

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