πŸ“Š Cell Biotechnology
Q. Which one of the following changes occurs in a directionally migrating eukaryotic cell?
  • (A) The ER is fragmented
  • (B) The mitochondrial membrane potential drops
  • (C) The nucleus moves towards the back and behind the Golgi
  • (D) The Golgi is fragmented
πŸ’¬ Discuss
βœ… Correct Answer: (C) The nucleus moves towards the back and behind the Golgi
πŸ“Š Cell Biotechnology
Q. Metaplasia represents
  • (A) Uncontrolled proliferation of cells initiated at the metaphase of cell cycle
  • (B) Transformation of one differentiated cell type to another
  • (C) Cell proliferation during metamorphosis
  • (D) A measure of metabolic activity in hyperplastic cells
πŸ’¬ Discuss
βœ… Correct Answer: (B) Transformation of one differentiated cell type to another
πŸ“Š Cell Biotechnology
Q. Which one of the following organelles disappears during cell division and is regenerated in the daughter cells?
  • (A) Endoplasmic reticulum
  • (B) Golgi
  • (C) Mitochondria
  • (D) Peroxisomes
πŸ’¬ Discuss
βœ… Correct Answer: (B) Golgi
πŸ“Š Cell Biotechnology
Q. The process by which intracellular macromolecules are supplied for lysosomal degradation during nutrient starvation is
  • (A) Apoptosis
  • (B) Autophagy
  • (C) Phagocytosis
  • (D) Pinocytosis
πŸ’¬ Discuss
βœ… Correct Answer: (B) Autophagy
πŸ“Š Cell Biotechnology
Q. The type of transport that does not reach Vmax, is
  • (A) Simple diffusion across lipid bilayer
  • (B) Facilitated diffusion via uniporters
  • (C) Movement of ions through ion channels
  • (D) Primary active transport via ATP powered pumps
πŸ’¬ Discuss
βœ… Correct Answer: (A) Simple diffusion across lipid bilayer
πŸ“Š Cell Biotechnology
Q. Neurotransmitter at the neuromuscular junction is
  • (A) Epinephrine
  • (B) Serotonin
  • (C) Acetylcholine
  • (D) Dopamine
πŸ’¬ Discuss
βœ… Correct Answer: (C) Acetylcholine
πŸ“Š Cell Biotechnology
Q. Which of the following statements about Na+ - K+ ATPase is correct?
  • (A) It is responsible for generating the resting membrane potential
  • (B) It transports Na+ and K+ ions down their respective gradients
  • (C) It is responsible for generating an action potential
  • (D) It indirectly regulates the volume of the cell
πŸ’¬ Discuss
βœ… Correct Answer: (D) It indirectly regulates the volume of the cell
πŸ“Š Cell Biotechnology
Q. Ras protein is a
  • (A) Trimeric GTPase involved in relaying signal from cell surface to nucleus
  • (B) Monomeric GTPase involved in relaying signal from cell surface to nucleus
  • (C) Trimeric GTPase involved in regulation of cytoskeleton
  • (D) Monomeric GTPase involved in regulation of cytoskeleton
πŸ’¬ Discuss
βœ… Correct Answer: (B) Monomeric GTPase involved in relaying signal from cell surface to nucleus
πŸ“Š Cell Biotechnology
Q. Which one of the following intermediate filament proteins is present in the nucleus?
  • (A) Vinculin
  • (B) Lamin
  • (C) Nestin
  • (D) Laminin
πŸ’¬ Discuss
βœ… Correct Answer: (B) Lamin

Jump to