Digital Lesson Hub:
Biology A Level

During this lesson you will learn how to:

• Define transpiration
• Describing the transpiration process

During this lesson you will learn how to:

• Defining translocation
• Describing the translocation process

During this lesson you will learn how to:

• Define the terms ‘cell differentiation’ and ‘specialised cells’
• Describe the structure and function of specialised ‘cells’ in plants: Root hair cells, Xylem vessels Palisade mesophyll cells, Sieve tube elements and companion cells in the phloem
• Explain how the structure of these cells links to their functions in the plant.

During this lesson you will learn how to:

• Describing the production of ATP in plants
• Investigating the gas exchange