Microbiology Flashcards
What are the 5 types of microorganisms or microbes?
Bacteria
Fungi
Viruses
Algae
Protozoa
What are the environmental factors for the growth of micro organisms
Temperature
pH
Water
Light
Nurtrition
Respiration
What are the features of bacteria ?
Single celled
Lack chlorophyll
No membrane-bound organelles
Single circular DNA chromosome found within the cytoplasm
What are the 6 shapes of bacteria?
Coccus
Vibrio
Bacillus
Coccobacillus
Spirillium
Spirochete
What is gram staining ?
A technique used to distinguish and classify bacterial species into
Gram positive and gram negative bacteria
Are endotoxins moderately toxic or highly toxic?
Moderately toxic
Are exotoxins moderately toxic or highly toxic ?
Highly toxic
What is the property source of an endotoxin?
Produced after disintergration of gram negative bacteria and listeria
What is the property source of an exotoxin ?
Produced in the living gram positive and negative bacteria
What is an enzyme?
A catalyst to break things down into smaller components
What is a metabolite?
Production of metabolism