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Biology Mod 2

TermDefinition
Pathogen An organism that causes disease
Saprophyre An organism that feeds on dead matter
Parasite An organism that feeds on a living host
Aerobic Organism An organism that requires oxygen
Anaerobic Organism An organism that does not require oxygen
Steady state A state in which members of a population die as quickly as new members are born
Exponential growth Population growth that is unhindered because of the abundance of resources
Logistic growth Population growth that is controlled by limited resources
Conjugation A temporary union of two organisms for the purpose of DNA transfer
Plasmid A small, circular section of extra DNA that confers one or more traits to a bacterium and can be reproduced seperately from the main bacterial genetic code
Transformation The transfer of a DNA segment from a nonfunctional donor cell to that of a functional recipient cell
Transduction The process in which infection by a virus results in DNA being transfered from one bacterium to another
Endosphere The DNA and other essential parts of a bacterium coated with several hard layers
Strains Organisms from the same species that have markedly different traits
F(x) Plasma Membrane To negotiate what materials pass into and out of the cell
F(x) Flagellum To move the bacteria from place to place
F(x) Capsule To adhere to surfaces as well as to ward off infection-fighting agents
F(x) DNA To store the information needed to make an organism a living thing
F(x) Cytoplasm To hold the DNA and ribosimes in place
F(x) Cell Wall To keep the interior of the cell together and to hold the cell's shape
F(x) Fimbria To grasp onto surfaces or another bacterium during conjugation
F(x) Ribosome To make proteins
Spherical Bacteria Coccus
Rod shaped bacteria Bacillus
Helical shaped bacteria Spirillum
dehydrate The process of removing water from a substance
What color are Gram negative bacteria after the Gram stain? red
What color are Gram positive bacteria after the Gram stain blue
Gram negative are in what phylum Gracilicutes
Gram Positive bacteria are in what phylum? Firmcutes
A bacteria with no cell wall is in phylum? Tenericutes
A bacteria with a cell wall different from Gram positive and Gram negative bacteria are Mendosicutes
The classes for Phylium Gracilicutes are divided by? How they obtain their food
The classes for Phylium Firmibacteria are divided by? Shape
What bacteria Phylium only have one class? Tenericutes, Mendosicutes
What shapes are Phylum Firmibacteria Class Firmibacteria bacteria able to be? Bacilli or Cocci
What shape is Phylum Firmibacteria Class Thallobacteria? Spirillum
Gram Negative non-photosynthetic bacteria are in what Class? Scotobateria
Gram Negative non oxygen producing photosynthetic bacteria are in what class? Anoxyphotobacteria
Gram Positive Oxygen- Producing photosynthetic bacteria Oxyphotobacteria
Bacteria without a cell wall are in what class? Mollicutes
Bacteria with a cell wall that is neither Gram Positive or Gram negative are in what class Archaebacteria
Created by: elithewall