Bacteria/virus/prions

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Virus

Non-living organism that lives off of a host cell and causes illness

virus structure consists of...

nucleic acid and capsid

nucleic acid

RNA & DNA

capsid

protein coat that surrounds genetic material in virus

lysogenic reproduction

takes a long time to kill host cell and continues to reproduce with the virus genetic material inside

lytic cycle

intense sickness but kills host cell right away

steps for virus infecting the cell

Docks on the cell
injects genetic material into cells
genetic material goes into cell's nucleus
imports genetic material to your genetic code or DNA

type of cell bacteria is

prokaryotic

Prokaryotic cell

no nucleus

Prokaryotic cell

circular, simple DNA

Prokaryotic Cell

Uni-Cellular

Prokaryotic Cell

No membrane bound organelles

kingdom one

archaebacteria

Kingdom two

eubacteria

archaebacteria

oldest bacteria, has capacity to live in extreme conditions

where archaebacteria live

oxygen fee places, high acidic waters, high salt content

characteristics of eubacteria

common, heterotrophic, dependent on others for energy (Feed on dead)

autotrophs

able to make own food

chemosynthetic bacteria

feed off the break down of un-organic items

cell wall, shape, how they obtain energy

classification of a bacteria

how do bacteria obtain energy

autotrophically and heterotrophically

asexual

one gender-having no sexual organs

sexual

having sexual cells

transduction

bacteria transfers a piece of its DNA into another bacteria, creating a slightly different genotype and phenotype

conjugation

two bacteria form a pili between one another and transfer genetic material

asexual reproduction

each cell gets an exact copy of the parent cell't genetic material aka binary fission

bacteria-sphere

caccus

bacteria-rods

bacillus

bacteria-spirals

spirillium

inner cell wall groups

gram positive-stain purple
Gram negative- stains red/pink

gram negative

more complex walls with less peptidoglycan buried inside

gram positive

simpler cell wall with exposed peptidoglycan

how antibiotics work

delve into the cell wall

why can't antibiotics kill viruses?

aren't alive, so no cell wall

penicillin

the first antibiotics

Prions

protein infectious particles that are subviral particles because of simplistic structure

subviral particles

reproduce and be infectious but not alive

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