Microbiology Answers

In search of a suitable microorganism for producing extracellular enzymes, what characteristics will you like? Pick from the options bellow:-

a. require growth factor
b. can feed on different carbon sources
c. very thick cell wall
d. rapid growth rate
e. does not need growth factor
f. Uses only one carbon source
g. Does not grow fast
h. Permeable cell membrane

At stationary growth phase, what nutrient uptake technique will be most suitable?

You have been told to select an auxotrophic mutant that requires Vitamin B2 for growth. What process will you use?

Acetinobacter bazei is an obligate anerobe, thermophillic and a true acidophile. What environmental condition is most suitable for its growth?

Mr Ben observed growth in only one of the two microorganisms innoculated in a Minimum medium. What could be the reason?

Microorganisms were found to consume 500mg/dl of oxygen per hour 24 hours into the fermentation process, it became 350mg/dl per hour at 48 hours. What has happened?

like other microbial pathogens virus are also equipped with different antigen with their specialized function identify the role of each structure found in a virus?

Why does the level of GP change in relation to the RuBP level at low carbon dioxide?

Describe briefly with suitable examples why insects are so abundant in the
ecosystem?