You and a partner conduct the acid-fast staining using the same two bacteria. You know that there will be an acid-fast bacteria present. Your slide shows acid-fast and non-acid fast bacteria. Your partners show both bacteria are non-acid fast. Your partner doesn’t understand why. What errors do you think occurred? Please state 2 and explain why these errors would cause this result.

Q: Explain the reasons you would use a negative stain?

A: In a negative stain the slide is actually stained. This is because the negatively charged stain…

Q: Peptidoglycan on bacterial cell walls is stained by crystal violet dye and for this reason those…

A: True

Q: You look at a slide you prepared and, despite the fact that you know you put organism onto the slide…

A: Gram-staining is a laboratory test that detects the presence of bacteria and also helps to…

Q: A student was observing a filament of blue green bacteria under low power (60X). The diameter of the…

A: A. Average length of one cell = 2.4 mm/ 40=0.06 mm Under 60X = 40 cells, each is 0.06 mm in length

Q: Given: The used ocular objective while taking this image, has magnifying power of 6x The used…

A: Given : Stage micrometer used has graduation = 0.01mm Ten graduation on ocular micrometer coincides…

Q: An acid-fast staining method was performed on a bacterial smear using the dyes carbolfuchsin and…

A: Introduction: Acid-fast staining is a type of differential staining technique that was first…

Q: What are the mechanisms of samples separation work in Thin layer Chromatography?

A: Chromatography is a physicochemical technique for the division of compound mixtures, in view of the…

Q: Know about the different staining techniques (simple, direct, negative, and differential), what is…

A: Staining techniques can provide valuable information about the morphology, structure, and…

Q: Which statement is INCORRECT? Select one: Progressive H&E staining is quicker Regressive staining…

A: Histology is the study of the tissue structure and function. This involves staining the sample with…

Q: Why can we use drops instead of concentration to graph the data? What do we have to do…

A: concentration:  (1) The quantity of a sub-component (particularly a solute) in a solution. (2) The…

Q: What color would gram positive cells appear if ghr safranin staining step was left out of staining…

A: Gram staining is a technique used for differentiating the bacteria based on their cell wall…

Q: Move the images of bacterial cells into the chart to illustrate the color of gram-positive and…

A: Gram staining is a technique used to differentiate between two groups of bacteria namely…

Q: Doing Benedict’s test, how do positive and negative controls help you interpret your test results…

A: A chemical test called Benedict's test can be performed to determine if an analyte contains reducing…

Q: In your own words, explain how gram staining is done and how it works.

A: Gram staining is a popular method for distinguishing between two large groups of bacteria based on…

Q: Choose the 4 most correct steps from the list below for a simple positive stain and organize them…

A: The above question is related to the laboratory technique of bacterial staining. Staining is a…

Q: What is the meaning of the different values given engraved on each objective?

A: Microscopes are used in viewing microscopic organisms, including bacteria, parasites, etc., and also…

Q: Fill in the blanks with appropriate terms, phrases, or clauses to complete the following sentences…

A: Electrophoresis is the process of separation of charged molecules on application of electric field.…

Q: Select all that apply to a direct simple stain:    1. the dye is acidic or negatively charged and…

A: Gram staining is used to examine the shape of the bacterial cells; if they are contaminated.…

Q: Describe how simple staining and fluorescence staining are similar and how they are different. What…

A: Microscopy is a technical field for the use of microscopes to visualize objects and locations of…

Q: Supposed you are to observe an unknown bacterial slide. In your initial observation, it appears to…

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

Q: Is is best to observe slides of bacteria stained with the acid fast stain under high dry…

A: The acid-fast stain is used to stain the acid-fast organisms. Acid-fast microorganisms have a thick…

Q: After performing the gram stain you observe your result as gram negative. To help confirm this…

A: Gram staining is a technique used for staining the microbial samples. It was performed by the…

Q: You saw no color change in both the first step and second step of the Nitrate Reduction test. What…

A: A nitrate reduction test is a test done to test whether the Enterobacteriaceae member produces the…

Q: ge 8000 00 000 8 bo ర o

A: Blood contains a cellular portion known as formed elements and a fluid portion known as plasma. The…

Q: A bacterial culture was grown for 12 hours. At 4-hour interval, the culture was sampled to determine…

A: To keep the number of colonies on the plate within a certain range, serial dilutions of culture are…

Q: You may want to use this resource for this problem. If you do, submit the output along with your…

A: The confocal microscope is an advanced imaging technique that allows for high-resolution and…

Q: The unknown observations are shown as a mixed stain, gram positive, and gram negative. The next…

A: There are two types of bacteria present i.e., gram positive bacteria and the gram negative bacteria…

Q: You perform several tests on an unidentified bacterial species and get the results below. Based on…

A: Bacterial identification is the process of determining the specific type, species, or strain of…

Q: Short Essay: Answer the prompt in 4 sentances or less. Describe the staining technique used to…

A: Staining is a protocol used to visualize cells/ tissues under a microscope. Staining colors and…

Q: You mistakenly confused the primary stain and counter stain with crystal violet, how does you…

A: Gram staining is a widely used laboratory technique in microbiology and bacteriology to…

Q: You and a partner conduct the acid-fast staining using the same two bacteria. You know that there…

A: Acid-fast staining is a differential staining technique that proves to be an important diagnostic…

Q: According to these images and your own knowledge, can you make a biological drawing of bacteria in…

A: Yoghurt is a nutrient which is rich in lactobacillus (lactic acid bacteria) . Convert milk into…

Q: Explain the principle of Gram staining. (You do not need to describe the procedure step by step).

A: The danish Bacteriologist Christian gram discovered this differential technique in order to…

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: A 10-2 is performed on a culture of bacteria in order to perform viable plate counts. From the…

A: CFU means colony forming unit. It is a measure of viable bacterial or fungal cells. In case of…

Q: Define the term gram staining.

A: Bacteria are a diverse group of microorganisms with a wide range of shapes, sizes, structures, and…

Q: List the primary stain, secondary stain, mordant, and decolorizer for the gram stair and write them…

A: The strains in the plate is give on two strains the primary strain and secondary strain. The primary…

Q: What is the purpose of a bacterial smear? What is the purpose of a bacterial smear? It spreads the…

A: Introduction:  The bacterial smear technique is a routine procedure performed to prepare the…

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

A: Bacteria are the single celled microscopic organisms. These are can not be seen through the nalked…

Q: After performing the gram stain you observe your result as gram negative. To help confirm this…

A: Gram staining is a technique to identify bacterial stain gram-positive or gram-negative. It can be…

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

A: The cell wall of most bacteria has an overall net negative charge and thus can be stained directly…

Q: In UV/Visible spectrophotometer analysis for a multicomponent system, there are only two dyes used…

A: UV/Visible Spectrophotometry detects the absorbance of light in the UV/Visible range of the…

Eating behaviors

The term "eating behaviors" is an umbrella term that encompasses aspects such as food selection and motivations, feeding habits, dieting, and eating behavior-related concerns such as obesity and eating disorders. Eating behavior is influenced by various psychological, sociological, cultural, environmental, and economic elements.