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Chapter 1 - Bacteria
From Bacteria to Plants
19
Science
7th Grade
03/19/2013

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Term
Prokaryotic
Definition
Cells without membrane-bound organelles
Term
Flagella
Definition
Long, thin whip-like structure that helps organisms move through moist or wet surroundings
Term
Fission
Definition
Simplest form of asexual reproduction in which two new cells are produced ...how baceria is produced
Term
Aerobe
Definition
Any organism that uses oxygen for respiration
Term
Anaerobe
Definition
Any organism that is able to live without oxygen
Term
Cocci
Definition
Sphere-shaped bateria
Term
Bacilli
Definition
Rod-shaped bateria
Term
Spirilla
Definition
Spiral-shaped bacteria
Term
Conjugation
Definition
A process similar to sexual reproduction, allows bateria to exchange DNA through the tubes that join them
Term
Producers
Definition
Bacteria and other organism that can make their own food
Term
Consumers
Definition
Most bacteria that break down dead organisms
Term
Cyanobacteria
Definition
Bacteria that make their own food using photosynthesis
Term
Disease
Definition
A condition with sympotoms that interferes with normal body functions
Term
Antibiotic
Definition
Chemicals produced by some bacteria that are used to limit the growth of other bacteria
Term
Saprophyte
Definition
Organism that uses dead organisms as a food source and helps recycle nutrients so they are available for use by other organisms
Term
Pathogen
Definition
Disease-producing organism
Term
Toxin
Definition
Poisonous substance produced by some pathogens
Term
Endospore
Definition
Thick-walled, protective structure produced by some bateria when conditions are unfavorable for survival
Term
Vaccine
Definition
Preparation made from killed bateria or damaged particles from baterial cell walls or viruses that can prevent some bacterial and viral diseases
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