Micro-organisms Flashcards
What are microorganisms?
Living single cell organisms Eg. Bacteria, viruses, fungi and protozoa
What is Protozoa and what does it cause?
Single cell organism without a cell wall and causes malaria
What is fungi?
Microorganisms that are not capable of movement
What does fungi produce?
Spores
What do you think staphylococcus look like?
Grape like clusters
Structures of a bacterial cell?
Has cell wall and no nucleus, single molecule of DNA
What’s the structures of a human cell?
Has cell membrane, no cell wall and has nucleus
What is a commensals organism?
Host is not harmed, bacteria benefits from host environment
What is normal flora?
Organisms live on body, not causing disease
What is a pathogen?
Parasites causing diseases
What is mutualism?
Mico-organism and host benefiting from living together
Name a characteristics of a virus?
Smaller than bacteria
What is a prion?
Resistant to disinfectants, heat and antibiotics
Rod shaped bacteria are called?
Bacilli
The protective protein coat of a virus is called a?
Capsid