Chapter 1: Introduction To Microbiology Flashcards
1
Q
What is microbiology?
A
The study of microorganisms (microbes)
2
Q
What are the characteristics of micro organisms?
A
Microscopic
Independent units
Complex
Rapid growth rate
Omnipresent (almost)
3
Q
Why is it good to have knowledge about micro organisms?
A
- prevent diseases
- prevent food spoilage
- develop stock techniques
4
Q
What are the characteristics of prokaryotes?
A
- Prokaryote = before nucleus
- DNA is free-floating in a nucleoid
- Has no organelles (except ribosomes for protein synthesis)
- Complex cell wall (peptidoglycan)
- Cell division through binary fission
5
Q
What are the characteristics of eukaryotes?
A
- Eukaryote = true nucleus
- Has a nucleus and nucleolus
- Has organelles
- Cell wall is simple or absent
- Cell division is mitosis or meiosis
6
Q
What are some prokaryotes?
A
Bacteria
7
Q
What are types of bacteria?
A
- Archaea -> nonpathogenic
- Eubacteria -> pathogenic
8
Q
What are some Eukaryotes?
A
- fungi
- protozoan (malaria)
- algae
- parasites
9
Q
What are some types of viruses?
A
- HIV -> AIDS
- Influenza (flu)
- Respiratory Syncytial virus (RSV)
- Covid
- Herpes
- Hepatitis
10
Q
What is Pasteur known for?
A
- Life only comes from life
- Pasteurization
11
Q
What is Koch known for?
A
- Anthrax
- Germ theory of disease
12
Q
What is Jenner Known for?
A
Inventions of vaccinations from smallpox