Cell Biology Viva Questions and Answers II
What are the main components of the cell membrane? – Phospholipids, proteins, and cholesterol What is the arrangement of phospholipids in the cell membrane? – They form a bilayer with the hydrophilic heads facing outwards and the hydrophobic tails facing inwards What is the role of cholesterol in the cell membrane? – It helps maintain appropriate membrane fluidity at various temperatures What are integral proteins and what is their function? – Integral proteins span the membrane and serve as membrane transporters What are peripheral proteins and what is their function? – Peripheral proteins loosely attach to the outer side of the cell membrane, acting as enzymes to facilitate interaction with the cell’s environment Cell Membrane Functions What is the primary function of the cell membrane? – To separate and protect the interior of the cell from the outside ...