Medicinal Biochemistry Practice Test_Unit 4-6

The cholesterol serves as the precursor for the following biosynthetic pathways, EXCEPT

• Bile acid synthesis
• Steroid hormone synthesis
• Aldosterone synthesis
• Thyroid hormone synthesis

The normal level of cholesterol in the healthy adult is

• <50mg/dL
• <100 mg/dL
• <200 mg/dL
• >200 mg/dL

Organic substances relatively insoluble in water, soluble in organic solvents actually or potentially related to fatty acids and utilized by the living cells are known as

• Lipids
• Carbohydrates
• Amino acids
• Proteins

Which of the following is not a property of Triacylglycerols?

• Rancidity
• Saponification
• Antioxidant
• Ductility

The relationship between changes in free energy, enthalpy and entropy is given by the following equation

• ∆G = ∆H + T∆S
• ∆G = ∆H - T∆S
• ∆G = ∆S - T∆H
• ∆G = ∆S + T∆H

Which is NOT a basic amino acid?

• tyrosine
• lysine
• arginine
• histidine

The number of carbon atoms in cholesterol is

• 32
• 17
• 19
• 27

High energy compound possess

• Acid anhydride bond
• Coordinate Covalent bond
• Ionic bond
• Hydrogen bond.

Which of the following is an example for acyl phosphate?

• pyrophophate
• acetyl CoA
• 1,3-bisphosphoglycerate
• ATP

The liberation of free ammonia from the amino group of amino acids coupled with oxidation is known as

• Oxidative deamination
• Non-oxidative deamination
• Transamination
• Decarboxylation