lecture 4 Flashcards
bacteria have nucleus
no
different cell walls
gram pos
gram neg
what is a capsule made up of
complex carbs
what is for adhesion
pili
what is called when bacteria move towards food
chemotaxis
structure of gram neg cell wall
two membranes with a space inbetween,
inner gram neg membrane
cytoplasmic membrane with lipid and proteins sticking out
what is between the two layers of gram neg
periplasm
what is found in the periplasm
peptidoglycan
what does peptidoglycan provide the cell
structure
what is unique to gram neg
LPS
shape of LPS
lipid tail and carb tail
the outer layer has porin for what?
to allow things in and out
what immune cells recognise LPS
TR4
what is peptidoglycan recognised by
TR2
structure of gram pos cell wall
one membrane
who has thicker peptidoglycan
gram pos
what is unique to gram pos
teichoic acid
what type of bacteria is mycobacterium tuberculosis
acid fast bacteria
whats it called when cells stick together in a line
chain
fastidious
Fastidious means it requires certain things which it cannot make itself
how does mutations of bacteria arise
mutations and genetic exchange
what are the 4 types of genetic exchange
transformation
transduction
conjugation
transposons
