MICROBIAL GROWTH II

Question 1

meaning of acidophiles

Answer 1

microorganism that grow optimum between ph 0 and 5.5

Question 2

meaning of neutrophiles

Answer 2

microorganism that grow optimum between ph 5.5 and 7

Question 3

meaning of alkalophiles

Answer 3

microorganism that grow optimum between ph 8.5 and 11.5

Question 4

which ph does extreme alkalophiles grow best at

Answer 4

ph 10 or higher

Question 5

Psychrophiles

Answer 5

grow well at 0 Celcius, optima growth 15 Celcius or lower, maxima growth at 20 celcius or above

Question 6

Psychrotrophs

Answer 6

can grow at 0 celcius, optima growth 20 to 30 celcius, maxima growth at about 35

Question 7

Mesophiles

Answer 7

growth minima at 15 to 20 celcius, optima growth 20 to 45 Celcius, maxima growth 45 or lower

Question 8

Thermophiles

Answer 8

growth minima around 45 Celcius, optima growth 55 to 65 Celcius

Question 9

Hyperthermophiles

Answer 9

growth minima around 55 celcius, optima of 80 to 110 Celcius

Question 10

Adaptations of thermophiles for protein structure

Answer 10

• more H bonds
  -more proline