Explain based on molecular structure why Gram (+) and Gram (-) organisms stain differently.

Q: Which correctly characterizes the difference between gram+ and gram- bacteria? Group of answer…

A: The gram+ and gram - are the two types of bacteria that are differentiated based on the gram…

Q: A few proteins are naturally fluorescent, what physical and chemical factors of the proteins allow…

A: Fluorescent proteins have been appreciated in the field of biology because of their contribution in…

Q: Compare and contrast how dark-field, phase-contrast, differential interference contrast,…

A: The technique by which the smaller or minute particles are magnified for studying the features is…

Q: Explain the significance of crystal violet, iodine, Grams decolorizer, and safrin make in Gram…

A: Gram staining is a common laboratory technique in microbiology that is used to differentiate…

Q: Record which pole the dyes traveled to by using a (+) for positive and (-) for negative pole. Hint:…

A: Staining is a technique in which the substances observed are being made visible to the eyes. In gel…

Q: If 5X instead of 10X oculars were used with the same objectives now on your microscope, what…

A: Microscopy means the use of microscope for studying the cells. Microscope is an indispensable…

Q: If the iodine step in a Gram-staining procedure was omitted, what color would you expect…

A: Gram staining is a technique which is used to identify the bacterial cell type, whether it is gram…

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…

Q: List other fluorescent stains. What is the usefulness of each?

A: Fluorescent stains/dyes are non-protein molecules that are employed in visualizing samples under a…

Q: Oil has the same ? Index as glass? Why is that important?*Regarding oil immersion on a microscope

A: The question is from optical microscopy field which has an application in biology. So, I am solving…

Q: How is xylol used to clean the lens of a microscope? What may happenif xylol is constantly used for…

A: The microscope can be defined as the laboratory instrument which is utilized to examine objects that…

Q: When doing a gram stain in microbiology, one step can be eliminated and still allow distinction…

A: Please follow step 2 for detailed explanation.

Q: What type of micrograph is shown below? Is the organism pictured prokaryotic or eukaryotic? How can…

A: The image is in greyscale and appears to have dents, bumps, and a more-or-less 3D rendition of a…

Q: What is the structure of Gram Positive?

A: Introduction: Gram strain test is an important test used to classify bacteria according to the type…

Q: 3a. How can the Gram stain be used to classify bacteria?  b) What causes one type of bacteria to…

A: Staining technique is a technique which uses different types of dyes ( acidic and basic dyes ) to…

Q: Explain the difference in the working principles of Dark-field and Light-field microscopes using pKk…

A: Microscope: It is an optical instrument that uses a lens or a combination of lenses to produce…

Q: plain Why do acidic dyes not stain bacterial cells?

A: Staining is the process of changing the colour of a substance to make it easier to examine tissues,…

Q: Suppose you performed a Gram stain on a sample, from a pure culture of bacteria and you observed a…

A: Gram staining is a method that use dye to stain the bacteria and the color helps them to distinguish…

Q: You perform a Gram stain on some yogurt that you made. What type of organisms do you expect to see…

A: INTRODUCTION Fermentation Fermentation is a process by which carbohydrate converted into sugar and…

Q: In the classification of bacteria according to shape, which among the following refer to a chain of…

A: Bacteria They are unicellular prokaryotic group of microorganisms that are both beneficial and…

Q: How is true microbial motility distinguished from other kinds of motion like Brownian movement that…

A: Q. How is true microbial motility distinguished from other kinds of motion like Brownian movement…

Q: explain the differences between the Gram-negative and Gram-positive bacteria cell wall structure and…

A: Gram staining: It is a widely employed method to identify and differentiate two large groups of…

Q: since gram-negative bacteria are generally more resistant to antibiotics such as penicillin, Gram…

A: The major benefit of the Gram staining technique is the identification of the type of bacteria,…

Q: What staining technique is used here? What is the structure in green? What is the structure in…

A: When spores are stained using special technique such as schaeffer Fulton method  That used to…

Q: What structure in eukaryotic cells is more easily seen in DICthan in bright-field microscopy?

A: DIC refers to the differential Contrast Microscopy is one of the types of light microscopy and…

Q: Which type of stain would be the best choice for negative staining of most bacterial cells: a basic…

A: The Gram stain is the most generally utilized staining methodology in bacteriology. This is an…

Q: Bacteria in the phylum Firmicutes are distinguished from the phylum Actinobacteria on the basis of…

A: A microbe is a living entity that is so tiny that it cannot be seen with the naked eye. Microbiology…

Q: The above photograph (IMAGE ATTACHED) of a cheek smear was obtained using the high-power objective…

A: The eyepiece graticule is a scale that is placed in the eyepiece of a microscope containing scales…

Q: Why isn’t the Gram stain used on acid-fast bacteria? If you did Gram stain acid-fast bacteria, what…

A: Gram stain cannot be used on acid-fast bacteria because acid-fast staining is done on mycobacterium…

Q: In the Gram staining procedure, how do the dyes able to distinguish Gram positive from Gram negative…

A: Gram staining, commonly known as Gram's technique, is a staining technique that is utlised to divide…

Q: 1. Give the reason for passing a bacterial smear over the flame before staining. 2. Why is…

A: Bacteria is a unicellular, prokaryotic organism. A bacterial cell lacks a true nucleus; its…

Q: 400x 1000x What is the shape of bacteria under a microscope, what color is there, and is there Gram…

A: INTRODUCTION Gram staining is a differential staining used to differentiate bacteria into gram…

Q: Someone has left a tube of unlabeled (poor lab practice) cells on your lab bench. Using differential…

A: The normal cells of an organism are transparent and do not provide any contrast from the surrounding…

Q: Given the figure below. Which structure is predominant at pH = 8.0? %3D

A: Amino acids are organic compounds with two functional group namely carboxyl and amino group. At…

Q: Aside from H&E, what other staining methods are applicable in Golgi apparatus, mitochondria, and…

A: Answer :- Subsequent to trying different things with presenting cells to gold and mercury, Golgi…

Q: What is the formula to determine the actual size of an organism?

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: what effect would using an old Gram's crystal violet preparartion containing crystallized dye have…

A: A microbe is a living entity that is so tiny that it cannot be seen with the naked eye. Microbiology…

Q: Different stains have different affinities for different organisms or different parts of organisms.…

A: Hematoxylin is used to stain nucleus while Eosin used to stain cytoplasm.

Q: microbiology lab experiment: Simple and Differential staining, Bacterial Shapes Why do the slides…

A: To heat and fix a bacterial smear, it is important to first allow a sample of the bacteria to air…

Q: Imagine you are using a microscope with 5x eye pieces (instead of 10x like ours). If you change…

A: The overall magnification of a picture you're looking at through a microscope is actually very…

Q: Explain this assertion using the example of hematoxylin and eosin staining.

A: Hematoxylin and eosin staining is used for identification of diseases like cancer. These are two…

Q: Explain briefly why the 100X objective lens of the light microscope is immersed in  oil.

A: The ability of a microscope to reveal an image that is numerous times larger in size than the…

Q: What are the general rules in grams staining classification of bacteria?

A: In microbiology, Gram staining is the most widely utilised, vital, and widely used differential…

Q: Of the four major types of microscopes, give an example of a scenario in which each would be the…

A: Electron microscopy is a tool that allows us to see tiny images of objects that would otherwise be…

Q: Why do acidic dyes not stain bacterial cells?

A: Stains may be divided into two classes based on the nature of their charged group Basic/ cationic…

Q: Identify the cell structure providing for cell morphology in the Staphylococcus epidermidis and…

A: Cell morphology describes the shape, structure, form, and size of cells. In order to examine the…

Q: PLS ANSWER ALL 1. Why were nuclei being unstained when you used eosin? 2. Aside from H&E, what…

A: Staining is a technique which is used to find different parts in the cell while observing under a…

Q: Why would specimens viewed with a compound microscope be thin and/or chemically cleared?

A: The human eye can see objects upto 0.1 millimeters. If the objects are smaller than this, the human…

Bacterial Morphology

The bacteria are prokaryotic organisms that are single-celled, and are found to exist as free-living and possess a microscopic size. The morphology is found to vary in the bacteria, where some of them are identified as individual organisms and the others are detected as colonies. The size and shape of the bacterial cell also represent its morphology. 

Bacterial cell structure

Bacteria are single-celled, tiny creatures that may enter healthy tissues and grow rapidly. Bacteria are microscopic organisms that are tiny and unicellular. These are members of the prokaryote kingdom. They live in water, air, soil, and all-natural environments. They are used in industrial and therapeutic processes, and they support a wide range of plant and animal life. The first organism to appear on the planet. Bacteria-like creatures are the oldest known fossils. Bacteria can consume a wide range of organic and inorganic elements, and some may even survive in harsh conditions.