Bacteria

Question 1

what are the 3 bacteria shapes

Answer 1

cocci- sphere
bacilli - rod
spirochete - long & filamentous

Question 2

what are the stages in bacterial life? (4)

Answer 2

lag time
exponential growth
stationary phase
death

Question 3

what are the ways in which bacteria infect (5)

Answer 3

attacking
invasion
colonising
digestive enzymes
toxin production

Question 4

what are the ways in which bacteria reproduce (2)

Answer 4

binary fission
conjugation - exchange plasmids

Question 5

what is the difference between gram ve+ and ve-

Answer 5

ve + = thick cell wall
ve - = thin cell wall

Question 6

what are 3 bacterial infections

Answer 6

tuberculosis
ecoli
whooping cough

Question 7

what are the symptoms of tuberculosis (3)

Answer 7

weight loss
persistent cough
night sweats

Question 8

what are the symptoms of ecoli (3)

Answer 8

bloody diarrhoea
stomach cramps
fever

Question 9

what are the symptoms of whooping cough (3)

Answer 9

‘whoop’ in between coughs
mucus in cough
sore throat

Question 10

what are spores resistant to (4)

Answer 10

radiation
drying
ph
temperature

Question 11

are bacteria eukaryotes or prokaryotes?

Answer 11

prokaryotes