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Combined Science: Biology

GCSE · Edexcel · higher

QuestionsFlashcards

Disease
Defence Against Disease
Development of Medicines
- Antibiotics
  4
- Discovery & Development of New Drugs
  6
Non-Communicable Diseases
- Lifestyle & Non-Communicable Disease
  8
- Cardiovascular Disease
  6

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

Eukaryotic Organisms: Animals & Plants Flashcards

All 7 cards in this deck

What is the function of the nucleus in an animal or plant cell?: It contains the chromosomal DNA and controls the activities of the cell.
What is the function of mitochondria?: They are where aerobic respiration takes place, releasing energy (producing ATP).
What is the function of ribosomes?: Protein synthesis — they are where proteins are made.
What is the plant cell wall made of, and what does it do?: Cellulose; it is strong and rigid, giving the cell support and stopping it bursting.
What is the function of the permanent vacuole in a plant cell?: It holds cell sap; as water enters, the cell becomes turgid, which supports the cell.
Which three structures are found in plant cells but not in animal cells?: Cell wall, chloroplasts and a large (permanent) vacuole.
What is the function of the cell membrane?: It surrounds the cell and controls which substances can enter and leave it.