Why is CFU more applicable to a culture of Streptococcus than to a culture of E. coli?

is staphylococcus aureus cells under 40 times magnification bigger than onion cell or cheek cell?

Listen Which of the following methods of microbial control is used most often with surgical equipment? a) autoclave b) sugar and salting c) dessication d) lyophilization

Which test require a straight line inoculation? Choose all that apply. A) Bile esculinase B) NaCl C) DNA hydrolysis D) Hemolysin

you are given a mixed culture of S. aureus, E. coli and P. aeruglinosa. How would you isolate each of them from this mixed culture? Besides usina a streak plate

Control of Microbial Growth A) Which would be the best process to use and why?  B) Can you use pasteurization? Explain. C)What is the true definition of an "antibiotic?"

6) The autoclave desired Temperature to kill bacterial spores must be left for at least ____ in order to effectively kill the bacterial spores: a) 5 mins b) 10 mins c) 15 mins d) ½ hr e) 1 hr.7) The autoclave pressure must reach at least ________ in order to effectively kill the bacterial spores: a)15 PSI b) 15 Joules c) 15 KSI d) 15 Lbs e) 15 Atmospheres8) The antibiotic that inhibits the cell wall formation through the -Lactam ring is/are:a) Vancomycin b) Tetracycline c) Penicillin d) Cephalosporin e) c & d9) The sum of all chemical reactions in your body defines: a) anabolism b) metabolism c) catabolism d) Cellular Respiration e) Biosynthesis10) If in a bacterial growth medium waste product accumulates than the bacterial growth stage will be called: a) Death b) Convalescence c) Lag phase d) Log e) Stationary

Why is it necessary to inoculate the KIA medium all the way down to the bottom of the tube during inoculation?

E. coli O157:H7 is an organism of concern in contaminated foods. How can the use of MacConkey agar and Sorbitol-MacConkey agar be used to screen for E. coli bacteria in general and E. coli O157:H7 in particular?

What is  bactericide exposure?