A chemostat creates a constant flow of fresh nutrients and waste removal for industrial use of bacteria. True

How would you classify each microbial sample (A, B & C) based upon the growth seen in each environment? (ex. Psychrophile)

this resource can be replaced by natraul process and will never run out

Sources of Microplastics.

Coliforms are commonly used as an indicator of drinking water quality. As we discussed, in March and April of 1993 there was a major outbreak of gastrointestinal illness in Milwaukee, Wisconsin caused by contamination in the public drinking water supply.  As summarized by MacKenzie et al.1, “throughout the period from February to April 1993, samples of treated water from both (water treatment) plants were negative for coliforms and were within the limits set by the Wisconsin Department of Natural Resources for water quality.”  Why, in this case, did coliforms remain at acceptable levels despite water contamination that resulted in over 400,000 cases of gastrointestinal illness?

Which of the following the equipment is used to sterilize the nutrient broth and agar? O Bunsen burner O refrigerator O incubator autoclave Ở microwave

Draw two tubes showing how you have inoculated microorganisms in urease and in nutrient agar

Which of the following include the correct order of phases of a typical bacterial growth curve? log, lag, stationary, decline/death lag, log, stationary/decline, death lag, log, stationary, decline/death log, lag, decline/stationary, death

a) Define 'Disinfection' and 'Sterilization' OR differentiate between them. b) Enlist the different methods of 'Disinfection' which method would you recommend for 'Municipal Water Supply' and WHY? Depending on the availability of 'Source of Water which 'Source' is more important than the other for disinfection and WHY? Give reason. c) of them is stronger than the other and by what percentage? Define or differentiate between “Free Available Chlorine" and “Combined Available Chlorine". Write their Chemical Formulae and mention which one d) Define “Break Point Chlorination". With the help of a neat Figure' show the "Break Point" and also show "Combined Available Chlorine", "Free Available Chlorine" and "Total Available Chlorine". Mention the “Dosage" in order to obtain a “Free Available Chlorine Residual" of about 0.5 mg/l or above. e) Define the term “Chlorine Demand" of water. What are the "Factors" OR enlist the "Factors" that show the "Effectiveness of Chlorine".

It is sometimes difficult to obtain pure cultures of microbes that grow naturally in mixed communities. True or False ?