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47 Cards in this Set

  • Front
  • Back
Dimitry Ivanovsky
tobacco
martinus beijerinck
reproduction
wendell stanley
isolated virus
edward jenner
small pox
louis pasteur
rabies
obstacles to studying viruses
-they are tiny
-hard to grow
structure
-capsid (protein coat)
-genetic material (dna or rna)
retrovirus
makes dna from rna
lytic cycle
1. absorption
2. injection
3. replication
4. assembly
5. breakout
lysogenic cycle (latent)
pauses between steps 2 and 3.
classifing viruses
1. genetic material
2. host
3. how they emerge
4. active v. latent
5. mutation rate
origin of viruses
1. cells lost ability
2. plasmids gained abilities
virulence
when a pathogen against a plant has specific defenses
fimbriae
(bacteria)
fastens itself to stick to their sub
capsule
sticky layer of protein
peptidoglycan
a polymer in bacterial cell walls consisting of modified sugars
monotrichous
(flagellated bacteria)
one flagelium at one end
amphitrichous
having flagella at both ends
lophotrichous
having man flagella at one end
peritrichous
flagella all around
strepto vs staphylo
strepto-chains
staphylo groups
heterotrophs
cannot synthesize it food
autotrophs
can synthesize
obligate anaerobes
can live only without oxygen
facultative anaerobes
can live in the absenceas well as with oxygen
obligate aerobes
can only live with oxygen
binary fission
method of splittin cells
conjugation
fusing with another bacteria
methanogens
methane producing
halophiles
salty environment needed
barophile
bacteria that needs high pressure environment
thermoacidophiles
baceria thrive at high temps
antibiotics
interrupt some biochemical pathways and doesnt work on viruses or proteists
cillins
halt production of cell wall
cylines
bind to the small subunit of the prokaryotic ribosome and blocjs recognition
mycins
bind to free ribosomes and stops elongaion of the amino acid chain
aminoglycides
inhibit the trna binding
chloramphenicol
binds to the large subunit of the ribosome and prevents it from attachin one amino acid to another
ex of flaellates
euglena
ciliates ex
paramecia
sarcodines
amoeba
sporozoites
marlaria
pellicle
thin skin, liquid film
eye spot
detects light
contractile vacuole
collect water and disperse it out
conjugation
aline, perform meiosis and seperate
endosymbiosis
when oranisms lives within the body of its partener