Transcript Slide 1 - worldofbiology09

is/are
would
can
do/
does
could
will
Increased
A disease
occurrence
referred to as
in
many
being
regions
a
pandemic?
the be
AnPasses
organism
pathogen
referred tofrom
as a
one host
vector
oftoa
another
without
disease?
A non-infectious
It cannot
disease be
transmitted via
close physical
contact?
Only
Viruses
when
have
they
arethe
inside
ability
a host
to
reproduce?
cell
Viroids
Never as
infect
theya
only
human?
infect
plants (as far as
we know)
When
infected be
by
An individual
the
pathogen
&
called a carrier
can
pass
it on but
of an
infectious
doesn’t
suffer
disease?
symptoms
What
TheProtein
capsid that
surrounds the
genetic material
viruses made of?
Colour
(would)
Pink
bacteria appear if
they caused a
negative gram
stain?
Pathogens
Only bacteria
(can)
antibiotics be
effective
against?
You call
a
Highly
virulent
pathogen that is
able to easily
cause disease in
its host?
Physical
Be twodamage
harmfulof
tissue,
release
effects
of a of
toxins/enzymes,
bacterial infection
taking
on itsnutrients
host ?
from host
The
Spherical
cell shape
of
Staphylococcus
bacteria be?
Why
Some
Pathogens
are nonnot
always
cellular,
referred
e.g.
viruses,
to as
viroids
organisms?
& prions
A
The
virus
virus’
be
genetic
referredmaterial
to as a
is in
retrovirus?
the from of
RNA
Cold
Food
temps
that is
do
notkept
kill bacteria,
in the
just
fridge
slow
stilltheir
be
harmful
reproduction
when
eaten?
Bacteria
Antibiotics
evolve
become
via natural
less
effective
selection,
against
leaving
some bacteria
resistant
populations
over time?
Because
A pathogenic
it gains
organism
benefit and
also
be
harms
referred
its host
to as
a parasite?
Viruses
Antibiotics
aren’t
be
ineffective
cells and
against
antibiotics
viruses?
affect
cell metabolism
Where
Obligate
Anaerobic
anaerobes
conditionslikely
(no
to live?
oxygen)
like soil
apply to
OnYou
surfaces
disinfectants?
prevent
bacterial
growth
MoistFungal
areas, such
as genital
infections
occur
openings
and
in humans?
skin that is cut or
isn’t clean
Viruses
have to
Membrane
attach when
receptors
of the
trying
infect
hosttocell
hosts?
Naturally
Plants
and fungi
occurring
produce
these
antibiotics
be
as a defence
found?
mechanism
The lipid
Outer
most
envelope
be
region
of a virus
found
on a
that
surrounds
virus?
protein
coat
Which
Pathogen
Virus (is)
likely to target the
host cell’s DNA?
Be likely to
Endoparasite
Non-cellular
Prions
pathogen (can)
cause normal
proteins to become
abnormal?
Primary
hostyou
has
Host (do)
the
adult as
stage
define
theof
the
pathogen’s
primary host?
life cycle
Type of pathogen
Protozoan,
such
(could)
be aor
as
Giardia
single-celled
Trypanosome
Stage (will) the
Secondary
(or
mosquito be in the
intermediate)
life-cycle of
host primary
Plasmodium-
Bacteria
By binary
fission
reproduce?
Viruses
getviral
host
Inserting
cells
to make
genome
into
more
virus
host
genome
particles?
Waterborne
Contaminated
pathogens
likely
water supply
to infect
a
(drinking
water)
population?
When
How
Fungal
Anti-fungal
infections
creams
or
usually
treated?
tablets
being harmed
survive in human
intestines, an
ecto- or
endoparasite?
Under
conditions
Bacteria
be
of
highusing
temp
killed
(>60oC) and
environmental
pressure
factors?
eukaryote with
flagella?
or secondary?
A parasitic
Faeces worm
or
usually
get
carcass of
transferred
from
primary host
primary
to
eaten by
secondary host?
secondary