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Combined Science: Biology

GCSE · Edexcel · foundation

QuestionsFlashcards

Disease
Defence Against Disease
Development of Medicines
- Antibiotics
  4
- Discovery & Development of New Drugs
  3
Non-Communicable Diseases
- Lifestyle & Non-Communicable Disease
  7
- Cardiovascular Disease
  6

The Organism in the Environment
Human Influences on the Environment
- Human Impact on Biodiversity
  6
- Benefits of Maintaining Biodiversity
  4
Cycles within Ecosystems

Plant Stem Cells Flashcards

All 4 cards in this deck

What is a meristem?: A plant tissue containing stem cells, where cell division by mitosis takes place.
Where are meristems found in a plant?: At the tips of the roots and shoots.
What is the function of meristem cells in a plant?: They divide by mitosis and differentiate to produce new plant tissue, so the plant grows.
e.g. new xylem, root hair cells or leaf cells
True or false? Adult stem cells in animals can form any type of cell, just like meristem cells in plants.: False. Adult animal stem cells form only a limited range of cell types, while meristem cells can form any type of plant cell.