penicillin

Question 1

one bacterial cell forms one colony true

Answer 1

true

Question 2

what is penicillin

Answer 2

it a fiungus .antibiotic -these cant cure viruses
it is grown industrially in a frementer

Question 3

hat are the conditions for inside the frementer

Answer 3

temperaturethe optimum temp is 23 -28 degrees c
Ph6.5
oxygen levels penicillium is an aerobic fungus so it needs oxygen for respiration for growth

Question 4

penicillin produces

Answer 4

penicillin when the nutrients are low so no penicillin is added after the growth has started

Question 5

what are the features of the fremente

Answer 5

air intake
stirrer
cooling jacket
ph probe
pressure relief valve

Question 6

air intake

Answer 6

allows sterile air to come in since penicillin is an aerobic fungus the air is sterile so it doesn’t contaminate the culture of penicillin

Question 7

stirrer

Answer 7

mixes all the nutrients through the frementer so that they don collect at the bottom

Question 8

cooling jacket

Answer 8

cools the culture which is necessary because the penicillin produces heat

Question 9

ph probe

Answer 9

monitors ph and the acid and alkali intake allows for tha correction of the unstable ph

Question 10

pressure relief valve

Answer 10

air is being pumped in if it is not allowed out then the pressure would increase to a dangerous level

Question 11

hat is the aseptic technique

Question 12

how doe the aseptic technique work

Answer 12

wire loop is placed in the Bunsen to kill bacteria so that it doesn’t contaminate the plate