Active transport lesson created in accordance to the NEW AQA Specification (9-1). Designed for a higher ability separates class, although content can be adjusted to suit any ability. Includes: slide animations, practice questions with answers on slides, worksheet.
AQA spec link: 4.1.3.3
Relevant chapter: B1 Cell structure and transport. AQA Biology third edition textbook-Page 20-21
Specification requires students to know the following;
Active transport moves substances from a more dilute solution to a more concentrated solution (against a concentration gradient). This requires energy from respiration. Active transport allows mineral ions to be absorbed into plant root hairs from very dilute solutions in the soil. Plants require ions for healthy growth.
It also allows sugar molecules to be absorbed from lower concentrations in the gut into the blood which has a higher sugar concentration. Sugar molecules are used for cell respiration.
Students should be able to:
•• describe how substances are transported into and out of cells by
diffusion, osmosis and active transport
•• explain the differences between the three processes.
AQA spec link: 4.1.3.3
Relevant chapter: B1 Cell structure and transport. AQA Biology third edition textbook-Page 20-21
Specification requires students to know the following;
Active transport moves substances from a more dilute solution to a more concentrated solution (against a concentration gradient). This requires energy from respiration. Active transport allows mineral ions to be absorbed into plant root hairs from very dilute solutions in the soil. Plants require ions for healthy growth.
It also allows sugar molecules to be absorbed from lower concentrations in the gut into the blood which has a higher sugar concentration. Sugar molecules are used for cell respiration.
Students should be able to:
•• describe how substances are transported into and out of cells by
diffusion, osmosis and active transport
•• explain the differences between the three processes.
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