Bacteria and viruses Flashcards
An organism that consists of a single cell that does not have a nucleus
prokaryote
a form of asexual reproduction in a single-cell organism by which one cell divides into two cells of the same size.
Binary Fission
A thick-walled protective spore that forms inside a bacterial cell and resists harsh conditions
Endospore
The biological treatment of hazardous waste by living organisms
Bioremediation
Medicine used to kill bacteria and other microorganisms
antibiotics
Bacteria that cause disease
Pathogenic Bacteria
a microscopic particle that gets inside a cell and often destroys the cell
virus
an organism from which a parasite takes food or shelter
host
Are rod shaped. They have a large surface area, which helps them take in nutrients. But a large surface area can cause them to dry out easily
Bacilli
Any spherical or roughly spherical bacterium
Cocci
A bacterium with a rigid spiral structure, found in stagnant water and sometimes causing disease
Spirilla
the chemical processes by which atmospheric nitrogen is assimilated into organic compounds, especially by certain microorganisms as part of the nitrogen cycle.
Nitrogen fixation