phloem is called translocation. Phloem cells have pores in their end walls for movement of cell sap. 4.1.3.3 Active transport Define the term 0.5 diffusion and osmosis. Investigate the effect of ‘active transport’. Compare them with active oxygen availability on Active transport transport. Produce a the growth of plants. involves the movement Describe where active comparison table. Observe results in of a substance against transport occurs in humans lessons. a concentration and plants and what is Introduce active transport as gradient and requires transported. absorption against the Use of a energy from concentration gradient. Explain why active transport respiration. Discuss when this might be requires energy. useful. 4.1.3.3 Mineral ions can be Explain how active transport absorbed by active Research where active enables cells to absorb ions transport into plant transport occurs in plants and from very dilute solutions. Oxygen: gas jars root hairs from very humans and label these on with lids, glass tubes, Explain the relationship dilute solutions in the diagrams with notes. fresh and boiled between active transport and soil. Observe a video or pictures of water to make oxygen supply and numbers plants growing in soil and in mineral ion of mitochondria in cells. hydroponic solutions. Suggest solution(s), black Sugar can be why farmers and gardeners paper. absorbed by active turn the soil and hydroponic transport from the gut solutions must be kept into the blood. aerated.
phloem is called translocation. Phloem cells have pores in their end walls for movement of cell sap. 4.1.3.3 4.1.3.3 Active transport Active transport involves the movement of a substance against a concentration gradient and requires energy from respiration. Mineral ions can be absorbed by active transport into plant root hairs from very dilute solutions in the soil. Sugar can be absorbed by active transport from the gut into the blood. Define the term ‘active transport’. Describe where active transport occurs in humans and plants and what is transported. Explain why active transport requires energy. Explain how active transport enables cells to absorb ions from very dilute solutions. Explain the relationship between active transport and oxygen supply and numbers of mitochondria in cells. 0.5 diffusion and osmosis. Compare them with active transport. Produce a comparison table. Introduce active transport as absorption against the concentration gradient. Discuss when this might be useful. Research where active transport occurs in plants and humans and label these on diagrams with notes. Observe a video or pictures of plants growing in soil and in hydroponic solutions. Suggest why farmers and gardeners turn the soil and hydroponic solutions must be kept aerated. Investigate the effect of oxygen availability on the growth of plants. Observe results in lessons. Use of a Oxygen: gas jars with lids, glass tubes, fresh and boiled water to make mineral ion solution(s), black paper.
AQA-8464-SOW-ORG.DOCX