Bacillus anthracis has a length of 4.1 micrometers. Convert this value to scientific notation.

Q: Name of objective lens: ___________________ Total magnification

A: Amoeba is a single celled animal. Amoebas are parasitism and live by consuming mainly bacteria.

Q: Use the choi 5. Shown bel this, detern 72.72 Scae sizeu Eningenver Actualsize=: Use the cho

A: Eubacteria /True Bacteria --Single cell bacteria , prokaryotic microorganisms which are found in…

Q: Prepare a thick and thin blood films for MPs on one slide. Show how to calculate the parasite…

A: Malaria is known to be the deadly disease posing significant threat to life of human-beings. It is a…

Q: Describe the bacteria observed in different staining procedures. Please refer to the photo -…

A: Bacteria can be stained by a variety of stains so that they can be visualised in contrast to the the…

Q: Name a stain (be specific) that might have been used on the slide. Os 09 5.0 μm

A: Staining is a method used to magnify and contrast a biological material at the level of the…

Q: .

A: Oil immersion is used in light microscopy. It used for improve imaging. Oil immersion is a technique…

Q: You prepared a 7x 10^5x dilution from your bacterial culture, plated 0.2 ml of it on a Petridish and…

A: A colony-forming unit (cfu) is a unit used in microbiology to estimate the number of viable bacteria…

Q: lculate the mitotix index from the picture below.

A: Mitosis is a cell division which maintains the chromosome number and divides a cell into two…

Q: Discuss the similarities and differences between the following terms applied in a particular kind of…

A: Forensic examination regularly includes the utilize of different procedures to identify and measure…

Q: good radiograph is taken with 400 mA, 200ms, 16:1 grid find the mAs value if a 6:1 grid is…

A: In radiographic techniques, mAs stands for milliampere seconds. It measures the radiation produced…

Q: How to isolate collagen from fish skin in the laboratory? Please write down each step in detail.…

A: Read some general instructions before starting the any scientific experiment. Maintain aseptic…

Q: Mesh is the most common unit of measurement used for sieves. It is the number of openings in one…

A: Mesh is the most common unit of quantification used for screens and sieves. It is used as quality…

Q: What is the likely result if you try to use the 100X objective without immersion oil?

A: Introduction :- To prevent any air gaps and light loss owing to refraction (bending of the light)…

Q: explain the spotting effect of ethyl alcohol, acetone and coconut oil when place into the paper

A: When ethyl alcohol is spotted onto paper, it wets the paper and after some time this spot will…

Q: Produce vinegar using rice

A: Vinegar is an aqueous solution of acetic acid and trace chemicals  including flavorings. Vinegar…

Q: Gram-positive (+) bacteria with a thin peptidoglycan layer traps the crystal violet stain. Select…

A: Gram staining is also known as Gram's method is a staining method for identifying and separating…

Q: The following image is a scheme for serial dilutions prepared for spectrophotometric analysis. If…

A: Step 1:Step 2:Step 3:Step 4:Step 5:

Q: Create a descriptive introduction about compound microscope

A:

Q: Staining a specimen for microscopy is helpful because Select one or more: a. It helps light to pass…

A: There are various kinds of microscopes, and each one is used for a different thing. Some are applied…

Q: Which of the following is a correct way to write a O 1) Escherichia coli O 2) Staphylococcus Aureus…

A: Bacteria are small microscopic and unicellular organisms. They are found almost on every part of the…

Q: You plated 0.1 ml of a sample of kombucha diluted by a factor of 10^-3. It produced 43 colonies.…

A: The serial dilution process is used to calculate the number of microorganisms (bacteria) within a…

Q: If a specimen is being viewed under a 40x objective, and the microscope has a 10x ocular lens, what…

A: Magnification is defined as a measure of the ability of a lens or other optical instruments to…

Q: Give two factors that may affect a good gram staining technique output. Provide an explanation how…

A: Many factors can affect the results of gram staining. However, two important factors that may affect…

Q: A culture of S. cerevisea has an overnight OD of 2.3 (1.0 OD is approx 1.0x107 cells/ml) You will be…

A: Dilution is the process of reducing the concentration of a solute in a solution. This is typically…

Q: Design a serial dilution of a 25-gram cheese sample to achieve a final dilution of 10-5 using 90 ml…

A: In a Series Dilution or sequential dilution the concentration decreases by the same factor at each…

Q: Draw and estimate the length of a single Euglena (high power) and Paramecium (low power): Paramecium…

A: Paramecium under low power -  Total magnification   100 xFOV diam = 1.800 μmtotal length = 1.800 μm…

Q: Why do you use oil on the slide to be examined with the oil-immersion objective?

A: Oil immersion microscopy increases the refractive index of a specimen when used in the correct way.…

Q: Draw one acceptable pattern that is used in streak plate method

A: Streak plate method : It is used for the isolation into a pure culture of the organisms , f9om a…

Q: The actual length of a cell is 50µm. When projected on the big screen in the class, the same cell is…

A: Microscopy is one of the basic processes on the basis of which the whole field of Biology rests.…

Q: What chemicals are used for the Simple Stain from our lab experience? Check all that apply. carbolic…

A: Simple staining: * The process staining the bacterial cell with a dye  to see bacterial structure…

Q: compare the cell sizes of the untreated (1st photo) and colchicine-treated (2nd photo) Allium cepa.

A: Colchicine is an alkaloid produced by plants like Gloriosa superba of Lilliaceae family.It…

Q: True or false  A spectrophotometer is used to directly count the number of cells in a liquid…

A: Microbiology: The examination of tiny creatures' biology includes viruses, bacteria, algae, fungus,…

Q: 1.4. Functions of the light mlcroscope parts Complete the following table by writing the function(s)…

A: Function: Diaphragm/iris: Adjusts the amount of light that reaches the specimen.  Stage opening:…

Q: Identify the part labelled no "3". 0.15 mm -3 B

A: The diagram is showing the cross section of midrib and the ventral surface of the leaf. Diagram A-…

Q: Create a dichotomous key Use the following bacteria and place them at the top of your key:…

A: Please find below dichotomous key for the mentioned bacteria categorizing them based on 5 criterias…

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.