Completion Flashcards
(15 cards)
1
Q
List 5 mechanisms of anti-microbial
A
- prevents cell wall synthesis
- prevents protein synthesis
- prevents nucleic acid synthesis
- injury to plasma membrance
- anti metabolites/ inhibition of enzymes
2
Q
What is the indicator of water purity?
A
coliform
3
Q
Major function of headworks
A
Odor control
4
Q
Main method of secondary water treatment
A
Trickling filter
5
Q
Standard ways to analyze water to detect coliform
A
- Lactose fermentation (e-coli)
- Filtration with a membrane
- Multiple tube method
6
Q
General term of anti-microbial drugs that are produce by microorganism
A
antibiotic
7
Q
Two necessary qualities of anti-microbial drugs must possessed
A
- Toxic to the pathogen
- Not harmful to the host
8
Q
Two genera of antibiotics
A
- penicillium
- streptomyces
9
Q
Two components of immune system
A
- cell-mediated
- antibody mediated
- humoral
10
Q
Heat treatment for milk, 72 degreees for 15 seconds
A
pasteurization
11
Q
Steps in water purification
A
- Physical
- Biological
- Chemical
12
Q
A very effective method of sterilization 15 psi, 121 degrees Celsius in 15 seconds
A
Autoclave
13
Q
Organism capable of producing a disease
A
pathogen
14
Q
The term applied to ward off disease
A
Resistance
15
Q
Genes that can cause cancere
A
Oncogenes
