Week 1 Flashcards
Define Microbiology
The study of microscopic forms of life
What are the categories of microorganisms from largest to smallest.
Protozoa Algae Fungi Bacteria Viruses
Give an example of a prokaryote
Bacteria
Give and example of eukaryotic cells
Fungi Protozoa Algae Plant cells Animal cells
What is the greatest source of biomass on earth?
Microbes
State some beneficial activities of microorganisms
Maintenance of soil. Cycling of essential nutrients. Biodegradation. Production of useful products. Biodegradation.
What are some of the harmful activities of microorganisms
Infectious diseases
Biodegradation
What is the ratio of bacterial to human cells in the human body ?
10:1
Where are 99% of microbes found in the human body?
Digestive tract
What is the approximate total weight of bacteria in the human body?
3lbs
What types of vitamins do bacteria help synthesise ?
Some varieties of B and K
Describe the normal bacterial flora on the skin of identical twins ?
Different