ATP dependent transport mechanism-: (A) Facilitated diffusion, (B) Osmosis, (C) Active transport, (D) All of the above
Answer is C. Ans. is 'c' i.e., Active transport Types of transport across cell membrane Carrier protein involvedEnergy requiredConcentration gradientSimple diffusionNoNoAlong (Down hill)Osmosis (Diffusion of H2O)NoNoAlong (Down hill)Facilitated diffusionYesNoAlong (Down hill)Active transportYesYesAgainst (Uphill)ExocytosisNoYesN/A (not applicable)Endocytosis # Pinocytosis & PhagocytosisNoYesN/A# Receptor mediated endocytosisYesYesN/A