7066018
Description
Flashcards by Ibrahim Bangura, updated more than 1 year ago
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Created by Ibrahim Bangura
about 8 years ago
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| Question | Answer |
| 12.1 Animal and plant pathogens. Fact cards | |
| What is the definition a communicable disease? | A disease that can be passed from one organism to another, from the same or different species. |
| What is a pathogen? | A microorganism that causes disease. |
| What is a vector? | A living or non-living factor that transmits a pathogen between organisms. |
| Name all the different shapes of Bacteria. | Bacillus, coccus, vibrio, spirillum and spirochaete |
| What colours appear when a bacteria's cell wall is Gram positive or Gram negative? | Gram-positive: Purple-blue Gram-negative: Red |
| What is a virus? | A non-living infectious agent. |
| What is the name of the virus that specifically attacks bacteria? | Bacteriophages. |
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