Cell Structure & Organelles MCQs with Answers

Which part of a cell is responsible for protein synthesis?

• A.Mitochondria
• B.Ribosomes
• C.Golgi apparatus
• D.Lysosomes

The sodium-potassium pump is called an electrogenic pump because it ?

• A.Uses ATP as an energy source
• B.Pumps equal amounts of Na⁺ and K⁺
• C.Contributes to the membrane potential
• D.Transports ions along their concentration gradient

The process in which body cells divide for growth, repairing, and development is called _?

• A.Meiosis
• B.Mitosis
• C.Binary fission
• D.Budding

Besides giving out secretary vesicles, the Golgi bodies are also concerned with?

• A.Formation of lysosomes
• B.Protein synthesis
• C.Lipid synthesis
• D.ATP production

Most of the living things use O2 to produce ?

• A.ATP
• B.Glucose
• C.NADPH
• D.Lactic acid

Post-translational modifications occur in which of the following cellular structures?

• A.Endoplasmic Reticulum and Golgi Apparatus
• B.Nucleus and Ribosomes
• C.Mitochondria and Chloroplasts
• D.Lysosomes and Peroxisomes

Which protein attaches the extracellular matrix to integrins embedded in the plasma membrane?

• A.Fibronectin
• B.Collagen
• C.Laminin
• D.Keratin

The ATP is formed in:

• A.Mitochondria
• B.Ribosomes
• C.Nucleus
• D.Golgi apparatus

ATP is best defined as _?

• A.The molecule that catalyzes all biochemical reactions
• B.The molecule that stores genetic information in the nucleus
• C.The molecule that transports oxygen in red blood cells
• D.The molecule that releases energy when the phosphate molecule is removed

Which organelle is known as the powerhouse of the living cell?

• A.Ribosome
• B.Mitochondria
• C.Golgi apparatus
• D.Endoplasmic reticulum