- Q4 Towards Ac 4 1 Movement Of Substances Into And Out Of Cells Can Take Place Either By Simple Diffusion Facilitated 1 (62.79 KiB) Viewed 41 times
Q4 (Towards AC 4.1) Movement of substances into and out of cells can take place either by simple diffusion, facilitated diffusion, osmosis or active transport. Complete the table below to compare and contrast these types of transport: Occurs Type of transport Energy consumed? Requires the assistance of a cell membrane protein? (Yes or AGAINST a concentration gradient? (Yes or No) (Yes or No) Choose from the list below, an example of a substance, which is transported by this method No) Osmosis :(write your answer here) Active transport :(write your answer here) Simple diffusion :(write your answer here) Facilitated :(write your diffusion answer here) SUBSTANCES: Fructose, Glucose, Oxygen, Water Q5 (Completion of AC 4.1) Explain the importance of the following processes to living things: [A] Active transport of mineral ions across the cell membrane of a plant root hair cell :(write your answer here) Osmosis in the collecting ducts of the mammalian kidney (write your answer here) [C] Facilitated diffusion of nutrients such as fructose across the wall of the small intestine of mammals :(write your answer here) [D] Simple diffusion of CO₂ from blood in the pulmonary artery into the alveoli of the lungs of humans :(write your answer here)