Flashcards
Microbes
Cards in this deck (23)
- 1What does the word symptoms mean?The affect the microbes have on your body.
- 2A doctor observes symptoms to come up with a…?Diagnosis
- 316. How can microbes be spread?16. By air, water, touch, food, animals and sex.
- 4List a few ways in which diseases can be stopped from spreading.• Making sure sewage is treated and disposed of properly
• Adding chlorine to water to kill bacteria
• Drying, freezing or refrigerating foods
• Pasteurising milk
• Using disinfectants, antiseptics and soaps
• Immunising people with vaccines - 5Your body has……………to stop microbes getting in?Natural defenses
- 6Give some examples of natural defenses.Skin, mucus in the trachea and nose, ciliated epithelial cells to sweep mucus away
- 7List ways in which your body can destroy microbes.• A chemical in tears that kills some bacteria
• Acid in the stomach that kills some bacteria
• White blood cells that engulf microbes
• Other white blood cells that make antibodies to help destroy microbes. - 8How does breast milk help babies to fight infections?Antibodies can pass through the placenta that is found in breast milk.
- 922. What do antibiotics do?22. Cure some diseases.
- 10Using too much antibiotics can do what?Leaves behind the resistant bacteria, which then cause disease that are difficult to treat.
- 11What is a micro-organism?A very small living thing that you need a microscope to be able to see them.
- 12What are the three main types of microbes?Viruses, Bacteria, Fungi.
- 13What are the most common fungus microbes?Yeasts.
- 14Why are viruses not usually considered to be living?They cannot carry out any of the seven life processes for themselves.
- 155. What 2 microbes are important in making some foods and drinks?5. Bacteria and Yeasts.
- 16What is the equation for aerobic respiration performed by yeast cells?Glucose + Oxygen= Carbon Dioxide + Water
- 17What is fermentation?When yeast cells use anaerobic respiration.
- 18What is the equation for anaerobic respiration performed by yeast cells?Glucose=Carbon Dioxide + Ethanol
- 19What is the word for the number of organisms in an area?Population
- 20In what conditions would yeast cells grow rapidly in an environment?Warm, Moist, plenty of sugar
- 21How does the population of these cells stop growing?When something runs out (e.g sugar)
- 22What is the name of the thing that stops them?Limited Factor
- 23What does infectious mean?Diseases that can be spread from person to person.
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- Science (Biology) Flashcards on Microbes, created by abbylebus on 12/05/2013.
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- abbylebus
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