Mueller-Hinton agar needs to be made to specific standards in order to yield reliable, reproducible results. How deep is the agar on a Mueller-Hinton agar plate? a) 2 mm b) 4 mm c) 6 mm d) 8 mm
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- What is the difference between a mixed culture and a contaminated culture if they both contain more than one type of organism ?How to prepare an agar plate for bacteria? How to include the antibiotics into agar plates? How long should you wait for bacterial colonies to grow on agar plates? What is the appropriate temperature?.What is the major difference between Thayer-Martin and chocolate agar? When would you use Thayer-Martin rather than chocolate agar?
- In spread plate method, colonies form within the agar and agar surface. In pour plate method, previously prepared agar plates are not required. a. First statement is TRUE, Second statement is FALSE. b. First statement is FALSE, Second statement is TRUE. c. Both statements are TRUE. d. Both statements are FALSE.What is the best streaking technique in a culture media? ExplainWhere should a label be written on an agar plate?
- In a bacterial culture on an agar plate, what is a zone of inhibition? An area where the growth of bacteria is increased compared to the rest of the agar plate An area where the growth of bacteria is prevented or reduced compared to the rest of the agar plate An area where the growth of bacteria is not affected compared to the rest of the agar plate An area where the the agar becomes contaminated with moldWhy is dilution a necessary part of pure culture preparation?When can gelatin be used in culture media preparation? [Answer in not more than 2 sentences]
- Which is more Suitable for long-term storage: agar slant or plate? Explain why?Why go to the trouble of creating a master plate (why not simply plate the initial culture on both nutrient agar and glucose-salts agar)?In the preparation of a bacterial smear, why is there a need to fix the bacteria to the slide? Aside from passing the slide over a flame, what are the other ways of fixing the bacteria to the slide?