household bleach reduces microbes because it is a member of what group of chemicals? a. halogen b. bisbiguanides c. quats d. heavy metals

Q: The process that most accounts for magnification is a. a condenser c. illumination b. refraction of…

A: Magnification means the image produced is more than the size of the object.

Q: WATER PURIFICATION AT THE WATER SUPPLY STATION USES THE CHEMICAL METHOD 1. irradiation of water 2.…

A: Water purification is a process of removing pollutants, microbes and other impurities from water. It…

Q: A disadvantage of using UV light to control microbes is: '. a. it produces irritable ozone b. it has…

A: UV rays are ultraviolet rays. These rays produce thymine dimers and disrupt DNA.

Q: write a note about the importantce of knowing how to use a microscope and knowing how to use oil…

A: Microscopes are utilized in survey the examples that are generally tiny in size, they are utilized…

Q: A mixed culture isa. the same as a contaminated culture.b. one that has been adequately stirred.c.…

A: A mixed culture is

Q: Choose the combination of answers that most accurately completes the statement.High temperatures and…

A: Microorganism: These are too small organism which is impossible to see by naked eyes. They exist in…

Q: Choose the combination of answers that most accurately completes the statement.Detergents are a.…

A: Answer: Introduction: A detergent means a surfactant or a combination of surfactants that used for…

Q: Choose the combination of answers that most accurately completes the statement.Microbe(s) that…

A: The unicellular minute organisms which are not visible from the naked eye are known as microbes.…

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: Which two scientists are synonymous with sterilization? O A. John Tyndall O B. Robert Bunsen O C.…

A: * John Tyndall was a physicist from Ireland, who studied atmospheric conditions and climate change…

Q: Need answer of this question Identify the principles and procedures related to disinfection and…

A: As we know Sterilization is the process of killing microorganisms along with their spores. It is the…

Q: The most versatile method of sterilizing heat-sensitive liquids isa. UV radiation b. exposure to…

A: Sterilization is a process of removing or killing or deactivating mostly all forms of life present,…

Q: The process in which all organisms and pathogens are destroyed is called ------.  a) Disinfection…

A: Microbes are responsible for various diseases in humans as well as animals.Microbes and pathogens…

Q: Describe how to measure the effectiveness of a chemical disinfectant.

A: A chemical liquid or a substance that is used to kill microbes is referred to as a disinfectant.…

Q: If you have a substance that you wish to sterilize (without destroying), and that substance is…

A: Introduction Any procedure that eliminates, eradicates, or renders inactive all life…

Q: In dental offices, the instruments are cleaned in a supersonic bath, then sterilized using UV…

A: UV light - non-ionizing radiation. The penetration power is less. It is a physical mutagen and…

Q: Motility is best observed with a a. hanging drop preparation c. streak plate b. negative stain d.…

A: Motility is the ability of bacterial cells to migrate from one location to another. The flagella…

Q: A reducing agent

A: Reduction is the addition of an electropositive element or the removal of an electronegative element…

Q: Which statement correctly describes the differences between sterilization and sanitation?…

A: The most common type of prokaryotes is bacteria. They are found in every existing environment on…

Q: Agar is superior to gelatin as a solidifying agent because agar a. does not melt at room temperature…

A: Agar is used as a medium for culturing in laboratories.

Q: Which process gets rid of the most germs on a surface? decontamination disinfection sterilization

A: Removal of microorganisms from surfaces such as benchtops in a microbiology laboratory and in…

Q: Which of the following are antimicrobial halogens? Select all that apply. a. iodophores b. bromine…

A: Halogens are a group of elements in a periodic table which also act as compounds. Examples are…

Q: Attached below is the study about the effects of handwashing and the effectiveness of soap against…

A: We only become aware of the significance of handwashing during pandemics. However, its advantages…

Q: Agents studied in microbiology

A: Microbiology is the study of microorganism such as bacteria, fungi and protists. Tools of…

Q: A) A short paragraph on the habitat of the organism. B) A short paragraph on the special…

A: A) Pseudomonas aeruginosa is commonly found in soil, water & vegetations. It is also found as a…

Q: Silver sulfadiazine is useda. in antisepsis of burns b. as a mouthwash c. to treat genital gonorrhea…

A: Silver compounds are used as disinfectants in medical devices and as ointments to prevent biofilm…

Q: Microbiology When using the Microscope in a lab, the use of oil prevents_____________ (use the…

A: Resolution refers to the ability to distinguish two adjacent objects with accuracy. If the…

Q: Choose the combination of answers that most accurately completes the statement.Sanitization is a…

A: Sanitization is a process by which  the microbial load on objects is reduced

Q: Briefly answer the question below: What is the disadvantage of having a really thick smear when…

A: Smear:- It is used to fix the bacteria onto the slide and to prevent the sample from being lost…

Q: Write a research abstract about this title: "As a solvent for cleaning laboratory glassware,…

A: Organic Solvents like acetone, ethanol are used to rinse the glassware. Curved glassware's…

Q: elg äbäi An example of an antiseptic. would be A- Soap B- Rubbing alcohol O C- hand lotion O D-…

A: a liquid or cream that prevents a cut, etc. from becoming infected is called anticeptic

Q: A culture is growth of microorganisms in a special

A: Nutrients are substances used in biosynthesis and energy production and therefore are requirea for…

Q: what is the purpose of using oil immersion with the 100x objective lens? a)To prevent refraction of…

A: Answer is option a.) To prevent refraction of light.

Q: What is the hazard of the spattering tendency in heating a wire loop with specimens over a flame?…

A: Heating wire loop is very important technique in sterlization. Wire loop is heated till it become…

Q: Choose the combination of answers that most accurately completes the statement.Any process that…

A: sterilization is the process that destroys the non-spore-forming contaminants.

Q: On what basis were both Shigella and Salmonella eliminated aspossible causes of the outbreak…

A: Shigella and Salmonella are pathogens that cause gastroenteropathy in humans. They are two genera…

Q: list sevral branches of science that might be involved in cleaning up an oil spill.

A: There are several techniques for cleaning up oil spills. These include using oil booms, usage of…

Q: Analyze the advantages and disadvantages of irradiation as a means of preserving food.

A: Introduction: Food irradiation is a process that enhances the safety of the food items by extending…

Q: Choose the combination of answers that most accurately completes the statement.Microbial control…

A: Introduction: Spores are a highly resistant resting-state formed when external nutrients are…

Q: A) A short paragraph on the habitat of the organism. B) A short paragraph on the special…

A: Staphylococcus Epidermidis belongs to the genus staphylococcus and is a gram-positive and…

Q: a) explain in your own words how to do a nitrate reduction test to identify unknown bacteria

A: Biochemical test such as nitrate reduction test and phenol red test are used in the identification…

Q: etermine the reason as to why using sanitizer are considered to be the more effective than hand…

A: A group of behaviours known as "hygiene" aim to keep things clean and avoid illness. By keeping the…

Q: In controlling and eliminating of infectious agents in reusable supplies,w hat process should be…

A: In healthcare settings, infectious pathogens are more prominent and to prevent them all the…

Q: After the mordant has been added, Gram-positive organisms are stained __________ and Gram-negative…

A: Gram staining is a staining technique used to differentiate two large groups of bacteria based on…

Q: Choose the combination of answers that most accurately completes the statement.The MIC is the…

A: Minimum inhibitory concentration test is a quantitative method used to determine which class of…

Q: (i) Explain the effect of the ionising radiation on the bacteria. (ii) Identify the purpose of petri…

A: Given here is the effect of ionising radiation on the growth of salmonella typhimurium in the…