BACTERIAL GROWTH

Question 1

. what are the four phases of bacterial growth in order

Answer 1

. lag phase, log phase, stationary phase, death phase

Question 2

. what is the formula of generation time

Answer 2

. t ( minutes)
_______________
n ( population )

Question 3

. no need of oxygen

Answer 3

. FACULTATIVE ANAEROBS

Question 4

. requiring little free of oxygen

Answer 4

. MICROAEROPHILIC

Question 5

. what are the 5 factors in which can a bacterial growth

Answer 5

. TEMPERATURE, NUTRIENTS, MOIST , SUNLIGHT , OXYGEN

Question 6

. 5 degrees celcius - 20 degrees celcius

Answer 6

. PSYCROPHILES

Question 7

. 20 degree celcius - 50 degrre celcius

Answer 7

. MESOPHILES

Question 8

, 50 degree celcius - to 80 degree celcius

Answer 8

. THERMOPHILES

Question 9

. 80 degrees celcius above is ?

Answer 9

. EXTREME THERMOPHILES

Question 10

. a type of chemical solution need for no effect

Answer 10

. BUFFER SOLUTION

Question 11

. 0 - 6
. 8 - 14

Answer 11

. ACIDIC
. ALKALINITY

Question 12

. extreme salt content

Answer 12

. HALOPHILES

Question 13

. bacteria is surviving

Answer 13

. OSMOTIC PRESSURE