Biochemistry Questions Online Test 4

1. The Golgi complex

• Synthesizes proteins
• Produces ATP
• Provides a pathway for transporting chemicals
• Forms glycoproteins

2. The following points about microfilaments are true except

• They form cytoskeleton with microtubules
• They provide support and shape
• They form intracellular conducting channels
• They are involved in muscle cell contraction

Biochemistry MCQs part 3

1. The most active site of protein synthesis is the

• Nucleus
• Ribosome
• Mitochondrion
• Cell sap

2. The fatty acids can be transported into and out of mitochondria through

• Active transport
• Facilitated transfer
• Non-facilitated transfer
• None of these

Biochemistry MCQs part 2

1. Which of the following statement is correct about membrane cholesterol?

• The hydroxyl group is located near the centre of the lipid layer
• Most of the cholesterol is in the form of a cholesterol ester
• The steroid nucleus form forms a rigid, planar structure
• The hydrocarbon chain of cholesterol projects into the extracellular fluid

2. Which one is the heaviest particulate component of the cell?

• Nucleus
• Mitochondria
• Cytoplasm
• Golgi apparatus

Biochemistry MCQs part 1

1. A drug which prevents uric acid synthesis by inhibiting the enzyme xanthine oxidase is

• Aspirin
• Allopurinol
• Colchicine
• Probenecid

2. Which of the following is required for crystallization and storage of the hormone insulin?

• Mn⁺⁺
• Mg⁺⁺
• Ca⁺⁺
• Zn⁺⁺