What substances control pigment production in a bacteria cell in microbiology?
Q: What are the structural differences between Gram-positive and Gram-negative bacteria cell walls? Can…
A: Structural Variances in Bacterial Cell WallsGram-positive and Gram-negative bacteria are…
Q: What is a micrometer (μm )? Is it really possible to see microbes with this dimension using…
A: Microbes are often tiny, even when compared to minuscule mammal cells. To observe them, the…
Q: What is the effect of light on microbial growth?
A: Introduction:- The quantity of bacteria in a population, rather than the size of individual cells,…
Q: How does plastic effect the growth of bacteria
A: Plastics are the polymers of organic compounds formed from the chains of carbon, sulfur, nitrogen.…
Q: Describe why Gram positive bacteria stain purple
A: Gram staining is a common technique used to differentiate two large groups of bacteria based on…
Q: What is the best growth medium that contains glucose that can be used to acclimatize bacteria? and…
A: A growth medium is a liquid, solid, or semi-solid preparation that supports the growth of a…
Q: Why is it necessary to maintain aseptic conditions in microbiology?
A: Aseptic conditions means microbs free environment. Microbs means bacteria, virus and fungi. It may…
Q: How do bacteria differ in terms of optimal temperature for growth?
A: The optimum temperature of the bacteria is defined as the suitable temperature where the maximum…
Q: a) Draw the diagram and describe motility required for the bacteria that have flagella to an…
A: Bacteria are a diverse group of microscopic, unicellular organisms that are categorized as…
Q: Why are microorganisms called extremophiles?
A: Microorganisms are simplest form of organisms that cannot be seen by the unaided eye and are present…
Q: Why are bacterial cells generally stained for microscopic viewing?
A: Staining bacterial cells prior to microscopic viewing is a routine process in most of microbiology…
Q: Why do you suppose endospore-forming bacteria are commonly found in the soil? Suppose your unknown…
A: Endospores are dormant, tough, vegetative structure produced by the bacteria from the Firmicute…
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: 1)What is the natural color of cytoplasm? How is it related to our need to stain bacterial cells? 2)…
A: The staining techniques are used to identify the morphological characteristics along with the size…
Q: In what ways do the macroscopic features of bacterial colonies differ from those of molds?
A: Molds are a type of fungus. These are small, white, green, orange, purple, or black. They live…
Q: Why does bacterial growth stop temporarily when the glucose supply in the medium is used up?
A: E.coli. is a type of bacterium. Bacteria are unicellular and prokaryotic organisms that live in wide…
Q: Which of the following is NOT true about endospores? 1) Spores are resistant to heat, radiation,…
A: Endospore production is normally caused by the complete absence of nutrients and favorable…
Q: What benefits do endospores provide the cells during staining procedures?
A: Introduction: The Malachite green staining is the most common method which used to perform the…
Q: How is the presence or absence of viable endospores related to sterility?
A: Endospore is a resistant asexual spore that develops inside the bacteria under the extreme…
Q: microscope
A: Microscope helps to see the small things clearly
Q: Why does endospore staining require heating? What chemical component of the endospores protects the…
A: Endospore staining is a laboratory technique used to identify endospores, which are highly…
Q: What is the order of staining in microbiology
A: Crystal Violet - Primary stain ( Stain the cell wall of the microorganisms) Gram's iodine - Acts…
Q: Why do low concentrations of alcohol inhibit Gram-negative bacteria more than Gram-positive…
A: As per our company guideline we are supposed to answer only first question or first 3 subparts of…
Q: What is a complex medium? and What are the basic components of a culture medium?
A: Medium is defined as the solid or liquid substratum on which the cells or organ can grow for further…
Q: Which stains are differential in microbiology?
A: In dis a staining process in which we use more than one chemical stain to differentiate between…
Q: If triclosan is the active agent in antibacterial handsoaps, what group of bacteria can grow freely…
A: Antibacterial soap is the one that contains the chemical ingredients which assist in killing the…
Q: How is household antibacterial soap like a weapon against pathogenic bacteria?
A: Antibacterial soaps are those that contains certain chemicals that inhibit the growth of pathogens .
Q: hy do many bacteria grow over a wide range of temperature
A:
Q: What general type of growth medium would you use to: (a) grow one type of bacteria but inhibit the…
A: Answer a) Selected media prefer the growth of one microbe but block the others. It is made of…
Q: How does salt, ph, UV light, hypertonic conditions affects the growth of microorganisms?
A: The environment has a significant impact on the growth of microorganisms. Microorganisms are…
Q: What is agar define as in microbiology ?
A: Microbiology is defined as the study of microbes. It involves the study of structure, function and…
Q: What is the difference between gram positive and gram negative bacteria? Describe how we use this to…
A: The following are the important differences between gram-positive and gram-negative bacteria:…
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- Why do low concentrations of alcohol inhibit Gram-negative bacteria more than Gram-positive bacteria? Explain how the alcohol interacts with: 1) Gram-negative cell wall structures 2) Gram-positive cell wall structuresWhy do you suppose endospore-forming bacteria are commonly found in the soil? Suppose your unknown bacteria is a Gram-negative rod. You decide to perform an endospore stain, thinking it will help you with the identification of the organism. What will you see, and why?How do bacteria differ in terms of optimal temperature for growth?