Describe how each of the following physical factors affect microbial growth and aid in classification: a. temperature b. pH c. molecular oxygen d. osmotic pressure.

Q: Which of the following requires aerobic conditions?   Question 7 options:   A)  nitrogen fixation…

A: Two basic stages in the treatment of wastes - primary and secondary In the primary stage, solids are…

Q: Explain why life could not exist without the activities of microorganisms.

A: The microscopic organisms that exist as free-living forms or parasitic forms are known as…

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: Ch. 6: Water intoxication may be due to: a) administration of too much hypotonic solution b)…

A: Water is the liquid present in the cells. It has salts and other chemicals dissolved in it.

Q: 2. Which of the following temperature best suits the growth and multiplication of transformed cells?…

A: Transformed cells are cells that have been genetically altered to acquire new characteristics or…

Q: What is negative feedback? How does it work?

A: A negative feedback is basically a self regulatory framework where it feeds back to the input which…

Q: Explain Activities of Microbial Cells

A: Microbes are the microscopic organisms also known as micro-organisms. They cannot be seen with the…

Q: Which of the following is not a property of an antimicrobialagent?(a) Must have a favorable…

A: Antimicrobial agent, any of a huge assortment of substance mixes and actual agents that are utilized…

Q: Salts and sugars work to preserve foods by creating a:   Question 6 options:   A)  depletion of…

A: Protection of foods by salt (usually sodium chloride) or Sugar (usually sucrose) from…

Q: The colonies growing on the surface of solid media represent: Select one: a. A group of different…

A: The CFU/ml are often calculated using the formula:cfu/ml = (no. of colonies x dilution factor) /…

Q: Describe the range of temperatures a microbe can function within.

A: Temperature is very a crucial abiotic parameter for all the living organisms. In case of microbes,…

Q: Which term has a abbreviation A) npo B) uri C) tab D)BP

A: In the realm of medical and healthcare terminology, abbreviations are commonly used to streamline…

Q: 9) Which of the following is not a chemical buffer system? A) bicarbonate B) phosphate C) protein D)…

A: Introduction: The buffer mechanisms in the human body are incredibly effective, and they operate at…

Q: n terms of the areas of the human body, how does this discrepancy in area differ in type and number…

A: In human body, bacteria are found in  area such as skin, nose, throat, mouth, vagina, and gut. the…

Q: What are the requirements to support microbial growth?

A: Microbial growth refers to growth (increases in the number of cells) of a microbial population. In…

Q: In terms of the areas of the human body, how does this discrepancy in area differ in type and number…

A: The normal flora refers to the aggregation of microorganisms associated with the body. Microbiology…

Q: Many antibacterial hand soaps contain the chemical agent _____ , which belongs to the _____…

A: Sodium hypochlorite is commonly used chemical agent in mildew remover for prevention of infection…

Q: Identify which of the following represent quantitative data?A) Mass of a sampleB) Odor of a sampleC)…

A: Quantitative measurements are those that deal with a quantity. Qualitative measurements are those…

Q: What are the effects of temperature, and pH on microbial growth?

A: Living organisms grow and reproduce. When microbes are provided with sufficient nutrients and…

Q: 5) the serous layer prevents desiccation, but compromises: A) Water transport B) Protection from UV…

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: (i) …………………………… sources such as glucose, xylose, methanol, or lipids

A: Answer  Carbon sources such as glucose, xylose, methanol, or lipids.Reason:Carbon sources:…

Q: List four commercially important benefits of microorganisms.

A: 4 commercially important benefit of microorganisms are: Their role in food and beverages production…

Q: Many people use antimicrobial soap to kill bacteria on their hands. However, overuse may increase…

A: Antibacterial soap is a soap which contains chemical ingredients that purportedly assist in killing…

Q: What effect does solute concentration have on microbes? How can cells adapt when going from a low…

A: Microbes also known as microorganisms are tiny living organisms that are too small to be seen with…

Q: particular bacterium requires techoic  acid in its medium in order to grow. What would the bacterium…

A: B. cell wall

Q: Name the 3 cellular structures in microbe cells that are most frequently targeted by the…

A: For a variety of topical and hard surface applications, antiseptics and disinfectants are used in…

Q: Acid mine drainage is in part a chemical process and in part abiological process. Discuss the…

A: Microbial leaching is tremendously useful in the mining process, but it has contributed to major…

Q: A high concentration of hydrogen ions results in a) an electrochemical gradient. b) thick mucus. c)…

A: Introduction Cell membrane act as barrier between the cell and outer environment by separating it…

Q: Since the seventies, scientists have been manipulating microorganisms to improve humans’ well-being.…

A: A tiny organism is referred to as a microorganism or microbe in technical terms. The term…

Q: Which of these factors does not affect enzyme activity?a) Temperatureb) Inhibitorsc) Coenzymesd)…

A: Enzymes are proteins that aid in the speeding up of the bodies' metabolism, or chemical reactions.…

Q: A microbe causing a bloodstream infection is likely all of the following except

A: Certain bacteria can lead to bloodstream infections causing septicemia. It may use an external route…

Q: 1. Which of the following is a benefit to using air as a respiratory medium compared to water? A)…

A: Air is a more economical respiratory fluid than water because it is 50 times more viscous, has a…

Q: All of the following are cofactors of SOD (superoxide dismutase) EXCEPT? A. Zinc B. Maganese C.…

A: Introduction The enzyme superoxide dismutase catalyses the dismutation (or partitioning) of the…

Q: If a cell sample is placed in pure water, what is the concentration of the salt inside the cell?…

A: The water move inside the cell and outside the cell through the process of osmosis. If a cell is put…

Q: 33) Crenation (shrinking) is likely to occur in blood cells immersed in A) an isotonic solution B) a…

A: Crenation is a  term that describes the process by which cells, particularly red blood cells…

Q: Differentiate between non-motile and motile microorganisms. Draw a comparison sample

A: Microorganism use different structure for movement some microorganism use flagella however other use…

Q: a) Matching Questions. Use the following to answer Questions 1–4: Choose the correct answer from…

A: Biomolecules are organic molecules that function inside a cell. They are majorly made up of carbon,…

Q: 1. In what type of environments can a microorganism be found? a. Which environment has many…

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

Q: WHICH OF THE FOLLOWING ENZYME CAUSES TRIAD OF MENTAL CONFUSION, OPHTHALMOPLEGIA AND ΑΤΑΧΙΑ? А) VIT…

A: The given clinical picture , that is,  triad of ophthalmoplegia , ataxia and mental confusion are…

Q: The five cardinal signs of decomposition are:     A. Color, gases, hypostasis, odor, hydrolysis…

A: Decomposition / degradation is the phenomenon in which complicated material in the body get…

Microbial Physiology

Microbial physiology is the branch of microbiology that is associated with studying the physiology of fungi, bacteria, and viruses. It is an important field of science concerning functional genomics and metabolic engineering.

Chemotaxis

The organism’s movement in a particular direction as a response to certain chemicals that are available in the environment is defined as chemotaxis. In brief, it can be defined as the occurrence of an organism’s movement in response to a certain chemical stimulus.