Book 2 Chapter 2 Flashcards
Virus
A tiny nonliving particles that enters and then reproduces inside a living cell
Host
An organism that provides a source of energy for a virus or another organism
Parasite
An organism that lives on or in a host and causes it harm
Vaccine
A substance introduced in the body to help produce chemicals that destroy specific viruses
Bacteria
Prokaryotes, the genetic material in their cells is not contained in a nucleus
Cytoplasm
Contains a Gel like fluid that moves structures throughout the cell
Ribosome
Chemical factories where proteins are produced
Flagellum
A long whip like structure that helps a cell to move
Cellular respiration
Breathing
Binary fission
In which one cell divides to form two identical cells
Conjugation
One bacterium transfers some of its genetic material into another bacterium through a thin thread like bridge
Endospore
A small rounded thick-walled resting cell that forms inside of a bacterial cell
Pasteurization
When the food is heated to a temperature that is high enough to kill most harmful bacteria without changing the taste of food
Decomposers
Organisms that breakdown large complex chemicals in dead organisms into small simple chemicals
Protist
Eukaryotes that cannot be classified as animals, plants, or fungi
Protozoan
Animal-like protists
Pseudopods
Temporary bulges of the cell
Contractile vacuole
A structure that collects and expels excess water from the cell
Cilia
Hair like projections
Algae
Plant-like protists
Pigments
Chemicals that produce color
Spore
A tiny cell that is able to grow into a new organism
Fungus
Eukaryotes that have cell walls, heterotrophs, use spores to reproduce
Hyphae
The branching, threadlike tubes that make up bodies of multicellular fungi