Cell membrane consists of_________________?

Related Mcqs:

1. The abundant glycoprotein in the basement membrane and has binding domain for both ECM and cell-surface receptor is______________?

   A. Laminin
   B. Fibronectin
   C. E – Cadherins
   D. Tenascin

2. The major lipids that make up the cell membrane are_______________?

   A. Triglycerides
   B. Phospholipids
   C. Sphingomyelins
   D. Fatty acids

3. Small packets of acetylcholine released randomly from the nerve cell membrane at rest Produces_______________?

   A. Inhibitory post synaptic potential
   B. Miniature end plate potential
   C. Action potential
   D. End plate potential

4. Teichoic acid is present in cell walls of_________________?

   A. Gram positive bacteria
   B. Gram negative bacteria
   C. Yeast
   D. Protozoa

5. In sickle cell anemia there is substitution of_________________?

   A. Valine for glutamic acid at the sixth position of beta chain
   B. Phenylalanine for glutamic acid
   C. Tyrosine for valine at the 6th position at beta chain
   D. All of the above

6. The major driving force for formation of membrane lipid bilayer is____________?

   A. Hydrogen bonding
   B. Hydrophobic interactions
   C. Vander wall forces
   D. Not known

7. Which of the following about biological membrane is true ?

   A. Lipid moiety is amphipathic
   B. Rigid assembly of protein, lipid and carbohydrate
   C. Symmertrical bi leaflet structures
   D. Lipid and protein moiety are held by covalent interactions

8. Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?

   A. Capsule
   B. Flagella
   C. Pili
   D. Mesosomes

9. All cells do not divide at the same rate. Events in which phase of the cell cycle determine when a cell is going to replicate ?

   A. M phase
   B. G1 phase
   C. S phase
   D. G2 phase

10. All are components of basement membrane except________________?

    A. nidogen
    B. Laminin
    C. Eutactin
    D. Rhodopsin