Viruses (Exam 1) Flashcards
most important bacteria on this planet and why
E.Coli and because it is a model organism
E. Coli produces a toxin called
Shiga
True or False: E.Coli lives in the brain
false
Is E. Coli gram negative or positive?
negative
what shape is E. Coli?
rod shaped
true or false: E. Coli doesnt have flagella
false
is Yersinia petis gram negative or positive
negative
true or false: Yersinia petis is rod shaped
true
45% of Yersinia Petis DNA content is made up of
GC
three types of plague under Yersinia Petis
pneumonic, septicemic, and bubonic
out of pnuemonic, septicemic, and bubonic- which one is the worst?
bubonic
true or false: Yersinia petis is a cocobacilus
true
what gene started off from a normal receptor but after people died of the plague the people who live in the town now has the mutation
CCR5
member of the flavivirdae family
zika virus
true or false: Zika virus is only a mosquito born virus
false. its from mosquito and tick
list the viruses under genus flavivirus
Dengue, West Nile, yellow fever, zika, and 60 others.
doesnt infect the eggs
yellow fever
mammals are a dead end. They (mosquito) dont bite you and pass it on unlike Zika
West Nile virus
Zika virus can be transmitted through:
mosquito, sexual transmission, mother to baby, and blood transfusion
Zika virus infects epidermal ___, skin fibroblasts in the skin, and the langerhans cells then moves to the __
keratinocytes, lymph nodes
Zika virus is found in the
brain
true or false: Zika virus is the only thing that causes guillain- barre syndrome
false
true or false: Guillain-barre syndrome is an autoimmune disease
true
what are the two strains of Zika virus?
African and Asian
out of African and Asian strain of Zika virus, which one is the latest outbreak
Asian
Legionella pneumophila is gram negative or positive?
negative
legionella pneumophila produces __ -___
beta-lactamase
is Legionella pneumophila anerobic or aerobic
aerobic
Legionella pneumophila has a GC or AT content of 38%?
GC
recently discovered bacteria in 1876
legionella pneumophila
what convention did legionella pneumophila spread at in Philadelphia ?
American Legion
true or false: Koch postulates were unable to identify legionella pneumophila.
false
what is the goal of legionella pneumophila virus?
to pass from person to person
this virus has a helical symmetry, cylindrical shape
rabies
Rabies has a _____ genome
ssRNA
Rabies encodes five proteins, what are they?
matrix, glycoprotein, polymerae, phosphoprotein, and nucleoprotein
viral polymerase can only recognize ___
ribnucleoprotein
how many types of rabies virus are there?
seven
using ___ ___ rabies virus evolved to present sequence in 1281
molecular clocks
for Rabies virus, replication occurs in the ___
cytoplasm
Rabies virus retrograde through ___ to ___
axon, CNS
when it comes to Rabies its viral particles transport to ___ ___
salivary glands
body and vaccine produce ___ antibodies for the rabies virus
neutralizing
in 2013, a rabies death in Maryland was caused by an __ ___ from ___
organ transplant, donor
where does Haloquadratum Walsbyi live
in the sea, high salty water
Haloquadratum walsbyi is what shape
square shaped
true or false: Hallquadratum walsbyi are extemophile
true
true or false: peritirichous doesnt have an outer membrane
false
do peritirchous have thin or thick peptidoglycan layer
thin
where does peritirchous live in ( body wise)
the gut
