Key term for Edexcel GCSE Biology, used in Plant Transport.
A tough, waterproof substance that strengthens the walls of xylem vessels, preventing them from collapsing under tension.
Lignin appears in Edexcel GCSE Biology revision content for Plant Structures and Functions, especially Plant Transport and Transpiration.
Plant Structures and Functions
Plant Transport • Transpiration
Plant Structures and Functions
Plant Transport • Xylem and Phloem
Health, Disease and Medicines
Plant Defences • Physical Barriers in Plants
Cells and Control
Mitosis and Growth • Growth in Organisms
Create a free account to access Edexcel GCSE Biology revision notes, track progress, and practise related key terms.
