What is the rationale for selecting E. coli as the indicator of water potability?

Q: Given its merits, why has advanced wastewatertreatment not been widely adopted?

A: Introduction: Advanced wastewater treatment has been used for a variety of purposes such as removing…

Q: What are the common elements of puncture wounds, crush injuries,and compound fractures that…

A: Clostridium perfringens and a few other species of Clostridium cause necrotic tissue infections in…

Q: Explain the Alkali reserve ?

A: Alkali reserve is represented by Plasma bicarbonate . Bicarbonate concentration is significantly…

Q: Which OSHA standard is most concerned with microbial hazards?     A)  Hazard Communication Standard…

A: OSHA standard : Occupational Safety and Health Act (OSHA) standards are the rules which explain the…

Q: All of the following are routinely used to preserve foods excepta) high concentrations of sugar.b)…

A: Food preservation is defined as one of the methods to protect food from unwanted microbial growth…

Q: Name the element that causes salinity in the soil.

A: Soil salinity is caused due to an increased concentration of salts in the soil. This process of…

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

A: Colony-forming unit (CFU) represents the number of colonies formed on the media plate from one…

Q: Why are proteins and amino acids considered to be natural buffers?

A: Buffer is a solution that resists the pH change when an acid or base is added to it. pH is measured…

Q: List three characteristics required of a good sewage indicator:

A: Fecal coliforms are the most widely used sewage indicator organisms. They are commonly used to…

Q: Which microbial control agent would most effectively inhibit anaerobes and why

A: Hydrogen Peroxide

Q: What is soil pollution?Suggest various ways to prevent soil pollution?

A: Pollution is the unwanted introduction of contaminants into the natural environment that cause…

Q: possible solutions to fracking?

A: Hydraulic fracturing or fracking describes the recovery of natural gases from a deep layer inside…

Q: What is the importance of anammox in the treatment of wastewaters?

A: The bacterial phylum called Planctomycetes consists of organisms that carry out anaerobic ammonium…

Q: what can we conclude about the effectiveness of these techniques for purifying LDH?

A: Introduction  The enzyme known as LDH, or lactate dehydrogenase, is present in many various kinds of…

Q: How can organisms develop resistance to chemical disinfectants?

A: Bacteria can develop resistance to disinfectants over time either by acquisition of exogenous mobile…

Q: Flasks A and B contain broth, and are inoculated with an identical number of bacteria that are…

A: Since the bacteria are facultative anaerobes, they can respire using both oxygen and other electron…

Q: Why does the rate of product formation level off with time?

A: Reaction rate  = Δ[C]/Δt, where Δ[C]= change in product concentration overtime period Δt. Products…

Q: In food microbiology, is it possible to quantitatively assess hurdle effects? how would you qualify…

A: Hurdle effect in food microbiology is a very important step  for the preservation of a food item…

Environmental effects

Environmental effect is the beneficial or adverse impact of human products, services, or activities on the environment. For example, the release of volatile organic compounds negatively affects the environment and causes smog formation. On the other hand, collecting litter and putting it in bins positively affects the environment.