Diffusion and Osmosis Practice, Schemes and Mind Maps of Introduction to biology

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Diffusion and Osmosis Practice Name: key a. Where does it occur in the membrane b. Does it require a - transport protein? Across phospholipid c. Does it require input of energy? Simple diffusion bilayer no no Osmosis " no noo Thru membrane Facilitated diffusion | prokeins yes ho Active transport =" Yes Yes _ At the membrane Endocytosis Surface ne Ves = Exocytosis " ho yes Review diffusion and the function of cell membranes by matching each of the phrases on the right with the appropriate mechanisms from the list on the left. Two questions require more than one answer. wr Ho HB bb & 10. Ce 1. D_12. 13. 1. Diffusion across a biological membrane . Moves solutes against concentration gradient . Any spread of molecules from area of higher concentration to area of lower concentration . Diffusion with the help of a transport protein . Three types of endocytosis . Engulfing of fluid in membrane vesicles . Diffusion of water across selectively permeable membrane, from hypotonic to hypertonic solution 8. Transport molecules need ATP to function 9. Enables cell to engulf bulk quantities of specific large molecules ‘How oxygen and carbon dioxide enter and leave cells Two types of passive transport Engulfing of particle in membrane vesicle Fusion of membrane-bound vesicle with membrane, and dumping of contents outside cell p14. C, 15. How a cell might capture a bacterium Helped by aquaporins BOmmooO me . Diffusion Active transport Osmosis Phagocytosis - ¢ahing Passive transport . Facilitated diffusion . Pinocytosis drinking Receptor-mediated endocytosis . Exocytosis