What is the purpose of flaming an inoculating loop?

You inoculate a species of bacteria on a MacConkey agar. It normally shows positive for growth and ability to breakdown lactose. What other method would you use to confirm the result of the MacConkey agar, and what result would you expect?

What are bioreactors ? How are large volume of culture maintained and processed in them ?

What is the point of the pressure in the autoclave sterilization?

When it comes to controlling microbial growth in microbiology lab, why is autoclaving so vital? What does autoclaving kill (on a microbial level) and how does it do this (mechanism of action)?

Not only is blood agar an enriched medium that can support fastidious organism growth, but it can also serve as a differential medium in the identification of streptococcal species because of the presence of red blood cells that can be destroyed by an organism's hemolysins. Looking at this photo, how could you describe the organism growing on the surface of this blood agar plate?     Multiple Choice a) Gamma-hemolytic b) Alpha-hemolytic   c) Non-hemolytic   d) Beta-hemolytic

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

What is the structural and functional differences between Inoculating loop versus inoculating needle?

a.Describe what makes thioglycollate medium suitable for culturing anaerobes. What would the growth patterns of Clostridium sporogenes and Micrococcus luteus be in this medium?  b. In the Kligler test, why do we inoculate the surface of the agar slope and then stab into the butt of the slope? What does a pink coloured colony indicate when using MAC (MacConkey Agar)?

What is meant by the word sterile? Why is aseptic techniquenecessary for successful maintenance of pure cultures in thelaboratory?