Diseases Flashcards
What are microbes?
Viruses, bacteria, fungi and protoctista. Microbes are very small organisms and require microscope to see them.
Structure of viruses?
Have a protein coat and DNA and technically not alive as they rely on other living organisms.
What is the structure of bacteria?
Has a cell wall, cell membrane, cytoplasm and chromosome of DNA and sometimes has a flagellum to help it swim.
What is the structure of fungi?
Fungi have Cytoplasm, nucleus, Starch Granule, Vacuole, mitochondria cell wall and cell membrane.
What is a pathogen?
An organism that causes a disease
Who made a microscope?
Robert Hooke in 1665
Formula for microscope
Total magnification =
magnification of eye piece lens x magnification of objective lens
Diseases caused by microorganisms
E.coli bacteria
athletes foot fungi
influenza virus
When do bacteria reproduce
Every 20 minutes with food, right temperature and pH, moisture and oxygen.