Differentiate between a pure culture, subculture, mixed culture,and contaminated culture. Define contaminant.

Q: Which of the following is NOT a chemical method of microbial control? a) refrigeration b) ethyl…

A: In order to stop the spread of infections and diseases, microbes must be under control. Thereby…

Q: What type of medium is used to maintain and preserve specimens before clinical analysis? a.…

A: Microorganisms are small, unicellular, and microscopic organisms. Any organism capable of causing…

Q: define both selective and enrichment media as they may be used in clinical microbiology

A: Media in microbiology or also known as bacterial culture media. It is a growth medium used to grow…

Q: Define sterilisation.

A: Microorganisms are very small organisms that cannot be seen by naked eyes. They are mostly…

Q: Define sterilization in terms of microbiology.

A: Sterilization is a process by which all the possible living forms like bacteria, fungi, protozoa and…

Q: Clearly describe the application of microbes in wastewater treatment, the Food industry, and brewery…

A: Microorganisms are small organisms that are usually not visible through the naked eyes. Other than…

Q: List the two main types of culture media and how each differs and the types of microbes which grow…

A: Culture media contains all the elements which the bacteria needs for growth and is not selective in…

Q: Distinguish between the sterilization of microbiological mediaand the pasteurization of dairy…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: Which of the following antimicrobial control methods would likely not beused in the clinical setting…

A: Sterilization alludes to any interaction that eliminates, murders, or deactivates all types of life…

Q: What is the setting for the refrigerator in storing culture media? Rationalize.

A: INTRODUCTION Refrigerator is very important for storing culture medias in the laboratory as culture…

Q: Differentiate moist heat from dry sterilizing heat.

A: Dry heat sterilization:-one of the oldest techniques of sterilisation is dry heat sterilisation of…

Q: Compare and contrast antisepsis, disinfection, sanitization, and sterilization with regard to…

A: Microbes are the microscopic organisms that grow on different objects and surfaces in the…

Q: Why is it important to become familiar with the microbiology laboratory's apparatus and equipment?

A: You should always know your lab equipment well before you do any type of experiment because without…

Q: Define a pure culture.

A: A microbiological culture, or microbial culture, is a strategy for duplicating microbial life forms…

Q: Compare and contrast the methods used to control microbial growth in daily life, healthcare…

A: Microbiology is the study of microscopic organisms, such as bacteria, viruses, archaea, fungi and…

Q: Differentiate the various types of culture media for the growth of microorganisms: synthetic,…

A: Culture media, also known as growth media, are specific mixtures of nutrients and other substances…

Q: Clearly define the terms sterilization, disinfection, decontamination, sanitization, antisepsis, and…

A: Hygiene stands for some practices that are performed to preserve health. Most of the microbes, which…

Q: Create a short paragraph to differentiate among the following terms: pure culture, subculture, mixed…

A: Bacteria are microscopic organisms which belong to prokaryote because these are unicellular…

Q: a) Microbial products can be classified in three major categories which related to the microorganism…

A: Microbial metabolism defines all the internal bio-chemical pathways, through which microbes obtain…

Q: what criteria that a microorganism must meet before it can be considered an “indicator?”

A: Hygiene plays a major role in maintaining the health. It includes the quality of food, water, air,…

Q: Define the discovery of spores and sterilization.

A: The process of sterilization refers to any procedure that aims to destroy and remove all sorts of…

Q: Enumerate and describe briefly the components of a culture medium and indicate their  uses

A: Culture medium is a preparation for the growth or cultivation of microbes in vitro and includes…

Q: Describe the step by step method of preparing culture media in microbiology.

A: Culture media are the media or the substrate used to grow microorganisms.  There are different types…

Q: microbial growth

A: The control of microbial growth may involve sterilization, disinfection, antisepsis, sanitization,…

Q: Name and explain the culture media that can be used for cultivating non-specific and specific…

A: a) nutrient agar & tryptic soy agar, & brain heart infusion agar are culture media that can…

Q: Compare and contrast pure culture, mixed culture, contaminated culture, and subculture.

A: Culturing is a process of inducing the replication or growth of microorganisms by providing…

Q: Why should caps of glassware be loosened first before sterilization? [Answer in not more than 2…

A: Sterilization is defined as the process which removes , kills or deactivates all forms of life (in…

Q: Give a brief but critical discussion about microbial growth in natural environments and how it…

A: Living creatures reproduce and grow. Microbes become metabolically active and proliferate when they…

Q: Aseptic technique refers to A) the microbial inoculum placed into a test tube or onto a Petri…

A: Following aseptic techniques is an important part while performing an experiment. Aseptic technique…

Q: Propose a confirmatory procedure that will determine if the microbial growth recovered from canned…

A: A microbe is a living entity that is so tiny that it cannot be seen with the naked eye. Microbiology…

Q: differential plate enrichment plate selective plate streak plate pour plate

A: Differential plate:  Differential media used to distinguish between two related microbes. It used to…

Q: Use of chemical agents to destroy microbes on skin or tissues Reinoval of microbes from surfaces by…

A: Pathogen are the organisms that can cause disease or infections after invading the host cells and…

Q: Define the following terms; streak plate method, and selective media. State the purpose and…

A: Plating is a microbiological method used to separate microorganisms found in a sample. It is used to…

Q: List the microbial targets of disinfecting chemicals, how that affects the microbe, and provide one…

A: The Environmental Protection Agency (EPA) registered disinfecting agents as antimicrobial…

Q: Differentiate between defined and complex culture media

A: To differentiate: Chemically defined and complex culture media

Q: Describe the concept behind sterilization by fi ltration, including examples of applications.

A: While working in a laboratory, aseptic conditions have to be maintained. This means that the lab has…

Q: Tell about enrichment culture techniques.

A: A microbial culture is a method of multiplying microbial organisms by letting them reproduce in…

Q: What are the different Microbiological sterilization techniques used for Microbiology equipment and…

A: Microbiology is the branch of biology that deals with the study of microorganisms such as bacteria,…

Q: Distinguish between the major types of sterilization filters usedin the microbiology laboratory

A: The method of sterilization of heat-sensitive fluids (liquids and gases) without exposing them to…

Q: How to reduce or eliminate aerial contamination inside the laboratory?

A: Indoor air quality (IAQ) : To main the indoor air quality becomes an important aspect especially in…

Q: Identify the method of preservation and maintenance of microbial cultures based on the period of…

A: Identify the method of preservation and maintenance of microbial cultures based on the period of…

Q: What is the difference between disinfection, antisepsis, and sterilization?

A: Microorganisms are present every where. They are not visible with naked eyes but are present at…

Q: Briefly discuss any two characteristics of microorganisms that should be considered when assessing…

A: The study of microorganisms like bacteria, viruses and fungi is called microbiology. Microbiology…