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Virus and Bacteria

TermDefinition
Virus an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
Host A host cell is a living cell in which a virus reproduces. A primary host or definitive host is a host in which the parasite reaches maturity and, if possible, reproduces sexually.
Parasite an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
Bacteriophage a virus that parasites a bacterium by infecting it and reproducing inside it.
Vaccine A substance introduced into the body to stimulate the productions of chemicals that destroy specific disease-causing viruses and organisms.
Bacteria A member of a large group of unicellular microorganisms that have cell walls but lack organelles and an organized nucleus, including some that can cause disease.
Flagellum A long, whip like structure that helps a cell to move.
Binary Fission The process by which one cell divides to form two identical cells.
Asexual Reproduction A reproductive process that involves only one parent and produces offspring identical to he parent.
Sexual Reproduction Reproduction in which two parents combine their genetic material to produce a new organism, which differs from both parents.
Conjugation The process in which one bacterium transfers some genetic material to another bacterium through a threadlike bridge.
Endospore A small, Rounded, thick-walled, resting cell hat forms inside a bacteria cell.
Pasteurization When food heated to a temperature that is high enough to kill most harmful bacteria without changing the taste of the food.
Decomposer
Protists
Protozoans
Pseudopod
Contractile
Cilia
Symbiosis
Mutualism
Algae
Spore
Fungi
Hyphae
Fruiting Body
Budding
Lichen
Created by: emily98989