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12 Cards in this Set

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Lytic Cycle
T4 phage binds to bacteria and hijacks cellular machinery, uses cell to produce its DNA and proteins, host cell lyses releasing newly assembled virons
Lysogenic Clycle
virus injects its DNA and it gets incorporated by the hosts DNA
Plasmid
small pieces of circular DNA that are not essential for the functioning of the cell but can be inserted into cell (antibiotic resistance)
Bacteria
unicellular, multiply by binary fission
Gram Positive Bacteria
Thick peptidoglycan layer (90%)
Gram Negative Bacteria
thin peptidoglycan layer (20%), also has periplasmic space and lipopolysaccharide layer, has endotoxin
Flagellum
made of protein flagellin, for motility
Endospore
Fored under stressful conditions, can be dormant for many years, survive heat, radiation etc. Whe conditons become favorable, activate - germination
Chemoautotrophs
build organic macromolecules from CO2 using energy of chemicals
Chemoheterotrophs
require organic molecules such as glucose as source of CO2
Photoautotrophs
use CO2 only, energy from Sun
Photoheterotrophs
Require Sun energy but use organic molecules made by another organism