Q: You are studying a new bacteria isolated from the soil by identifying the cellular structures that…
A: Gram-positive bacteria can be recognized by the thick layer of peptidoglycan that makes up the…
Q: Suppose that you are viewing a Gram-stained field of red rods and cocci through the microscope. What…
A: Gram stain is a technique for staining used in microbiology and bacteriology to divide bacterial…
Q: 9. 2. 10. 4. 11. 5. 6. 12. 7. 13. 8. 14. LI. 3. 5.
A: the given figure represnts a simple microscope , used to magnify small objects and specimens . used…
Q: Why have scientists developed numerous methods to classify microorganisms?
A: Microorganisms are very diverse. They include bacteria, fungi, algae, protozoa. The identification…
Q: Give two reasons for the differential staining between gram + and gram - organisms
A: Differential Staining is all those staining methods that employ more than one stain to distinguish…
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A: Cancer is one of those diseases which if not detected on time, will cost a life. So, accuracy,…
Q: What kind of medium might you make to selectively grow a bacterium that lives in your gut?
A: MacConkey agar is used as a selective and differential media for differentiating gut bacteria which…
Q: The laboratory that you are working in does not have a microscope or motility medium. Now, how will…
A: The motility of a bacterium is determined by the presence and absence of flagella. The flagellum is…
Q: What is the mostly used parts of the microscope during bacterial experiments and are their roles?
A: Introduction:- A microscope is an instrument that is used to magnify small objects. Some…
Q: Identify the Different Types of Light Microscopes.
A: Laboratory instruments that are used for visualizing/examining the objects that are too small to be…
Q: Why are other microorganisms have endospores but others do not have?
A: Introduction :- Endospores are a type of dormant cell produced by some bacteria and archaea that can…
Q: Why is important to take good care of your microscope and what are the proper ways of using a…
A: A compound microscope is strong magnification equipment that is often used in research laboratories…
Q: What is the color of endospores after Gram staining? After spore staining?
A: There are various staining techniques that are used to stain different cellular structures. The Gram…
Q: cribes an organism as a chemoheterotrophic, aerotolerant, mesophilic, facultatively halophilic…
A: to explain: The metabolic and structural characteristics of a cell from a "chemoheterotrophic,…
Q: When performing a gram stain, what does it tell us about the bacteria and the cell wall speficially?
A: Gram staining is a common approach for distinguishing two broad groups of bacteria based on the…
Q: How does a phase-contrast microscope increase contrast?
A: Microscopy is used to visualize microscopic objects. It is important to understand the importance of…
Q: When observing the endodpore slide in the microscope, what is the difference between endospore and…
A: In spore staining the dye, Malachite green is used for staining the spore, and steaming is used as…
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: What is being done to increase the availability of microscopes in very poor countries?
A: Microscopes are the instruments which are used to examine the objects that are not visible by the…
Q: Compare and contrast the optical compound microscope with theelectron microscope.
A: An optical Compound microscope is the simplest microscope. An electron microscope is a complex…
Q: Both stained and live organisms are viewed using a microscope, but what is the purpose/benefit of…
A: Cell staining is a technique that is used in microscopy where certain chemicals can stick to…
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: How does a DIC microscope increase contrast?
A: Differential interference contrast microscope is also called as nomarski microscope. It vis…
Q: what kind of microscope is used for cellular structure and why?
A: Microscopes are scientific instruments used to investigate items that are too small for the naked…
Q: How does staining procedure relates to the benefit endospores provide to cells?
A: Endospore Staining-The main purpose of endospore staining is to differentiate bacterial spores from…
Q: Using an appropriate lens and oil immersion, what would be a microscope's maximum resolution (in…
A: A microscope is an instrument used to magnify and view small objects, such as cells, microorganisms,…
Q: Many of the plankton images were taken using the 40x objective on a compound microscope. What is the…
A: The large water bodies’ organism collections that are not able to swim against the water current are…
Q: Which microscope is most useful for visualizing a biofilm? O fluorescence microscope O…
A: Fluorescence microscope : it is a type of microscope in which the subject or specimen is analysed by…
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 information can obtain from observing the growth of bacteria on liquid agar?
A: Liquid agar is a liquid media mixed with agar which when heated solidifies and then is used as a…
Q: Two part question I have separated for clarity) Which stains are used to differentiate between the…
A:
Q: What should be considered when preparing a monolayer cell culture?
A: Monolayer culture, also known as adherent culture, is a form of animal cell culture in which cells…
Q: morphology of microorganisms
A: The characters of microbes which can be seen by naked eyes is said to be morphological character…
Q: Is this microbe a gram positive or gram negative? what is the morphology?
A: PRINCIPLE OF GRAM'S STAININGThe structure of the organism's cell wall determines whether the…
Q: What is purpose of mounting of microscope slides
A: Microscopy is the process in which the organisms that are not visible to the naked eyes can be…
Q: Give the functions and magnifications of transmission electron microscope and scanning transmission…
A: Transmission electron microscope and scanning electron microscope are two types of electron…
Q: You are interested in studying the surface structure of an Archaea cell, what type of microscopy…
A: Scanning electron microscopy (SEM) is a type of electron microscopy that is used to study the…
Q: Which of the following methods used to enumerate cells often requires specialized staining to…
A: A growth medium is intended to promote the growth of a variety of microorganisms or cells by the…
Q: what color are endospores at the conclusion of the endospore stain?
A: Endospores are non-reproductive structures formed by the bacteria when they experience challenging…
Q: Identify and describe at least three types of microscopes that can visualize cellular activities and…
A: Introduction Microscopy is the science and technique of using microscopes to visualize objects and…
Q: Can simple technique be used to identify more than the morphological characteristics of…
A:
Q: Explain biologically and chemically how the Gram Stain helps to distinguish between gram-positive…
A: Bacteria are a large group of minute, unicellular, microscopic organisms, which have been classified…
Q: Suppose you are viewing a Gram-stained field of red rods and purple cocci through the microscope.…
A: On the basis of the gram staining technique, the bacteria are classified into Gram-positive and…
what microbial features would you use a scanning electron microscope and transmission electron microscope to observe.
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- Both stained and live organisms are viewed using a microscope, but what is the purpose/benefit of staining a microorganism versus not staining it?How is true microbial motility distinguished from other kinds of motion like Brownian movement that be seen under the microscope? What is the function of immersion oil in the oil immersion objective and how does it improve the resolving power of a microscope? pls cite sourcesdiscuss the limitations in using the light microscope to study microbial communities.
- Why 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?why is it important to understand the morphology of microorganismsIf you do not have a microscope or even a hand lens, how will you know that microorganisms exist in your environment? Cite as many proofs of its existence as you can think of.
- In microbiology, the term growth in a culture usually refers to an increase in O 1) the number and size of microbial cells. O 2) the amount of ATP consumed. O 3) a microbe's size. O 4) the number of microbial cells. 5) the amount of ATP produced.When observing the endodpore slide in the microscope, what is the difference between endospore and debris (a type of artifact) ?What is agar and why is it necessary for growing bacteria on plates?
- If a student would like to examine if an bacterial organism is capable of using starch, which of the following classes of medium would the student be using? A) A medium classified as differential B) A medium classified as defined C) A medium classified as selective D) A medium classified as minimal E) A medium classified as richHow can colony morphology be used in the identification of bacterial species? What are the environmental factors that affect the growth of bacteria? What is agar (or agar-agar)? Is this different from nutrient agar? Why? How is xylol used to clean the lens of a microscope? What may happen if xylol is constantly used for this purpose? For what purpose would you adjust each of the following microscope components during a microscopy exercise? iris diaphragm coarse adjustment knob fine adjustment knob condenser mechanical stage controlAfter completion of a Gram stain procedure, you notice the bacteria cells shown in the picture below. How would you categorize the bacteria based on 1. Gram stain results, 2. Cell arrangement, and 3. cell shape.? Would the bacteria in question 7 have a thick layer of peptidoglycan or a thin layer of peptidoglycan in its cell wall? Would the bacteria in question 7 have an outer lipopolysaccharide layer in its cell wall? Would the antibiotic penicillin likely work to eliminate infection with the bacteria in question 7? How would you describe the type of flagella arrangement for the bacterium below? (You'll use one word for the description here.)