Biology-B1-Active Transport 0.0 / 5 ? BiologyExchange of materialsGCSEAQA Created by: tonisha_Created on: 26-09-21 19:32 What is active transport? movement of substances from and area of low concentration to an area of high concentration 1 of 19 What is this against? the concentration gradient 2 of 19 What does this mean it will require? energy 3 of 19 From? respiration 4 of 19 Where are two places which active transport takes place? root hair cells small intestines 5 of 19 ROOT HAIR CELL ----------------- What is the concentration of ions usually like in the soil? low 6 of 19 What is the concentration usually like of ions in the root hair cell? high 7 of 19 What will the ions then do? actively transport into the root hair cell 8 of 19 And then be transported into? xylem 9 of 19 Roots are covered in millions of root hair cells, what does this give the plant? a large surface area 10 of 19 Why is this an advantage? more water and minerals can be absorbed 11 of 19 Where in the small intestines is active transport taking place? in the lumen 12 of 19 What are two example nutrients? glucose and amino acids 13 of 19 The concentration of sugars/nutrients in the gut is what? low 14 of 19 The concentration of sugars/nutrients in the blood is what? high 15 of 19 Therefore the nutrients from the gut will ? actively transport into the blood 16 of 19 And then enter the? bloodstream 17 of 19 If there is a high conc of nutrients in the gut but low con of nutrients in the blood what usually happens? it will diffuse naturally into the blood 18 of 19 however active transport allows nutrients to be? taken into the blood even if it has a high conc of nutrients already 19 of 19
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