Communicable Diseases (AQA GCSE Biology Combined Science): Flashcards
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What are viruses made of?
What are viruses made of?
Genetic material (DNA/RNA) in protein & lipid coat
Where viruses can reproduce
Where viruses can reproduce
Only inside living cells
Size of viruses compared to cells
Size of viruses compared to cells
Much smaller than cells
How viruses spread
How viruses spread
Direct contact, water or air
How measles spreads
How measles spreads
Tiny droplets from sneezing/coughing
Main symptoms of measles
Main symptoms of measles
High fever and red skin rash
How HIV spreads
How HIV spreads
Sexual contact and exchange of body fluids
What HIV attacks in the body
What HIV attacks in the body
Immune cells
TMV symptom on leaves
TMV symptom on leaves
Mottled or mosaic pattern
Effect of TMV on plant growth
Effect of TMV on plant growth
Reduces photosynthesis, slows growth