Heating is an effective mechanism for killing bacteria on surgicalinstruments. How does elevated temperature result in cellular death?

Q: Why does treatment of human skin with alcohol not create a completely sterile environment?

A: Sterilization is the process of getting rid of all the germs on the surface of the object and makes…

Q: As a doctor, you come across patients whose bacterial illnesses are no longer responding to…

A: Tetracycline is an antibiotics that is used to treat the infections caused by the bacteria that…

Q: What is the pathogen that exhibits the greatest resistance to heat treatment is the bacteria ?

A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…

Q: Why is there a need for an incubator in the lab? How about incubating cultures at room temperature?…

A: The Incubator is an insulated device in which the conditions like temperature, humidity, pH, and…

Q: List examples of lysogenic conversion

A: Bacteria are single-celled living beings. The cell structure is simpler than that of various living…

Q: How could colony-stimulating factors be used as a therapy?

A: colony-stimulating factors are used as a  many therapies :

Q: After a man infected with a Gram-negative bacterium was treated with the correct antibiotic for this…

A: E. coli is a gram-negative bacterium which cell wall is composed of a thin, inner layer of…

Q: Describe the basic effects of temperature on microbes.

A: The microorganism or microbes are characterized by their existence in the form of a single-cell or…

Q: How does the UV radiation control the microbial growth affect of cells?

A: It is required to describe the affect of ultraviolet radiation controlling the microbial growth of…

Q: how can ultraviolet  be used to control microbial growth. which specific UV can be used to control…

A: Ultraviolet (UV) - non-ionizing radiation. - penetration power is less. - It is a physical mutagen.

Q: What can be done to prevent the spread of these resistant microbes in the hospital?

A: Resistant microbes cause a major threat of nosocomial infections in hospitals. Healthcare personnel…

Q: turned red after Zn Stayed colorless after Zn turned red after NI and NII Which bacteria possess…

A: Nitrate test is done in the organism to know where they can convert nitrate to nitrite or not. The…

Q: How can Dry/Moist heat, Dessication, and the Cold control the microbial growth affect of cells?

A: Microorganisms are omnipresent. Therefore, they may cause contamination, infection, and…

Q: What happens to bacterial cells as they are cooled from rom teperature to 18 degrees Celisus?

A: Bacteria are the type of microorganism that belongs to prokaryotes. Bacteria grow and divide to give…

Q: Why heat can kill microorganisms?

A: * Microorganisms are the organism that can seen only through using microscope.They consists of…

Q: How is the redox reaction different outside versus inside the body?

A: Any chemical change within which the number of a participating chemical species changes is thought…

Q: Determine the optimal temperature (or range of temperatures) for: Escherichia coli and Pseudomonas…

A: Optimum range of temperature is the  range of temperature at which an organism is able to complete…

Q: Why does a population of microbes not die instantaneously when exposed to an antimicrobial agent?

A: Antimicrobial agents are agents that are used to stop or prevent the growth of microbes. They…

Q: What conditions may cause a false positive test for phagocytic engulfment? How could these factors…

A: Phagocytosis is a cellular event that is essential for the clearance of dead cells from the system…

Q: Using a textbook or a reputable internet source, find two Gram-positive pathogenic bacteria and two…

A: It is required to find gram-positive and two-gram negative pathogenic bacteria that are facultative…

Q: How do microfi lariae get into the blood?

A: Microfilariae is an early stage in the life cycle of certain parasitic nematodes belonging to the…

Q: microbial CELLS is the most RESISTANT to disinfectants and antiseptics?

A: Prions are the infectious agent which are misfolded proteins having  the ability to transmit their…

Q: Why are certain gram-negative bacteria more resistant than gram-positive bacteria to antimicrobials…

A: Gram-negative bacteria are characterized by the presence of thin peptidoglycan cell wall. The…

Q: Many pathogenic bacteria are unable to make some of the metabolic compounds needed for growth and…

A: Bacteria are simple living unicellular organisms that have a cellular level of organization. They…

Q: Why are some microorganisms capable of utilizing certain carbohydrates and some are not?

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

Q: How can UV radiation, Gamma radiation, and Filtration of controlling microbial growth affect cells?

A: Several physical methods are used to control the growth of microorganisms. Radiation and filtration…

Q: Can hand sanitizer kill bacteria?

A: Sanitizer is referred to as any substance or fluid that is used to prevent the spread of pathogens…

Q: Why do most antibacterial drugs not destroy human cells?

A: Antibiotic A chemical substance that inhibits the growth of microorganism by altering the…

Q: Why are bacteria generally resistant to hypotonic environments, whereas animal cells are not?

A: Bacteria is a member of a large group of unicellular microorganisms. It is classified into different…

Q: A cell line always requires enzymatic dissociation before it can be distributed between new culture…

A: Enzymatic dissociation is the process of releasing cells from tissue by digesting cut-up tissue…

Q: Graph of percent survival against exposure time 1.20% 1.00% 0.80% 0.60% 0.40% 0.20% 0.00% 5 10 15…

A: In both basic and applied research, microbiology is a highly significant area. Proteomics, genomics,…

Q: Why would proteins be degraded?

A: Proteins are the sequences of amino acids in which different amino acids are joined by the formation…

Q: How are methods of precipitating proteins, such as heat and treatment with alcohol, also successful…

A: Yes they are successful in killing harmful microorganisms..  Precipitation is explain as protein is…

Q: Why does hydrogen peroxide are most effective against probiotics?

A: Hydrogen peroxide is a peroxide. It acts as an oxidizing agent

Q: Which dye will not kill microorganisms if a wet preparation is made? Why?

A: Microorganisms are defined as organisms that cannot be viewed by the unaided eyes and are studied…

Q: After a man infected with the bacterium Escherichia coli was treated with the correct antibiotic for…

A: E. coli is a gram-negative bacterium which cell wall is composed of a thin, inner layer of…

Q: In which growth phase are microorganisms most sensitive to antimicrobial agents? Why?

A: Bacterial growth means that bacteria divides and result in the formation of daughter cells.  There…

Q: How can bacterial growth be retarded?

A: The bacteria are microscopic organism which are seen only under microscopes. They are present…

Q: How do the chemicals such as aldehydes, gaseous sterilizers, peroxygens, and organic acids affect…

A: Physical and chemical methods are used to control the microbes. Chemical methods are where chemicals…

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

A: Antimicrobial drugs are drugs that either kill a microbe or inhibit the growth of a microbe. There…

Q: There are many antibiotics that target the bacterial cell wall, but there are few antibiotics that…

A: The antibiotics are medicines that help stop infections caused by bacteria.They do this by killing…

Q: why is it important that you disinfect your work area both before and after working with bacteria?

A: Bacteria are present everywhere in each and every corner,present on non-living surfaces and as well…

Q: Microorganisms present on surface of skin and mucous membrane are killed by a chemical named as

A: Human skin provides the first line of non-specific defense against pathogens. The skin and mucous…

Q: How do the chemicals such as bisphenols, halogens, alcohols, and heavy metals affect microbial…

A: Physical and chemical methods are used to control the microbes. Chemical methods are where chemicals…