Explain what is the agglutination reaction: WHAT agglutinates with what? Agglutination is the positive or negative result? WHY?

Q: What is the purpose of sheep red blood cells in the Paul Bunnell Davidsohn test?

A: Paul Bunnell Davidsohn test is used to screen infectious mononucleosis. It is caused by Epstein Barr…

Q: Define restriction point,

A: The cell cycle is the initial process that cells follow to prepare themselves for cell division.…

Q: Does TGF-β treatment cause cells to grow more or less in the soft-agar assay? (a) More, (b) Less

A: Anchorage-independent growth, which is a hallmark of carcinogenesis, is the capacity of transformed…

Q: For what the term 'humulin' is used?

A: The hormone insulin is a peptide hormone that enhances the transport of glucose from the blood into…

Q: Draw and illustrate how latex agglutination works to bind to ASO and form agglutinates

A: Agglutination Test -- Tests are regarded as screening tests .There are many tests based on the…

Q: All of the following are used in a direct ELISA, except:

A: ELISA is an enzyme-linked immunoassay. This assay is used for detecting the presence of antigens.

Q: t are the types of adjuants? briefly define

A: Antigens are made up of proteins, peptides, and polysaccharides in general. Antigens can be found on…

Q: Figure 3 presents the results of the MTS assay and expresses the results of the cell survival as a…

A: The MTS assay is a type of assay that is used to measure cell proliferation, cell viability and…

Q: What are the different solid phases that antibody or antigen can bind to, in ELISA?

A: Quantitative immunological techniques that use a solid phase can be defined as solid-phase…

Q: Explain about auxotroph. Define its working ?

A: Auxotroph are microorganisms that are unable to synthesize an essential nutrient because of gene…

Q: Illustrate how latex agglutination works to bind C-reactive proteins to cause agglutination

A: Latex agglutination test is generally performed in laboratories to detect the presence of certain…

Q: How might the technique of affinity chromatography be used to purify lectins ?

A: Lectin is a protein that can recognize carbohydrates and can bind to them. Affinity chromatography…

Q: Can a Biuret assay assess a pregnancy of a dog urine sample?

A: Relaxin is a protein hormone that is released during pregnancy time.  By detecting levels of a…

Q: explain the principle of polyphenoloxidase test.

A: The principle of polyphenol oxidase test:

Q: Rarely, the conjugation of Hfr and F− cells produces two Hfr cells. Explain how this event takes…

A: The conjugation is the process of transfer of DNA from one donor bacterium to a recipient bacterium.…

Q: Discuss the concept of microwave fixation and cryofixation, and why it is suitable for…

A: Microwave fixation and cryofixation are the bilogical techniques which are used for stabilising th⁶e…

Q: Discuss the key events in the production of recombinant subunit vaccine?

A: The technology used for joining different DNA molecules from different species is known as…

Q: How does plating efficiency affect the number of plaque-forming units? How is plating efficiency…

A: A viral plaque is defined as the visible structure formed on the culture plate of bacteria or any…

Q: ELISA requires the use of blocking solution; what is the purpose of the solution?

A: The enzyme-linked immunosorbent assay captures target antigens (or antibodies) in samples using a…

Q: efine agglutination and precipitation.

A: Agglutination reactions are used in blood typing for blood transfusion purposes, identification of…

Q: hat clinical trial phase is the most important?

A: A clinical trial testing new treatments are wholly divided into different stages , which are called…

Q: What are some ways that the antibody-protein complex can be visualized in ELISA or western blots?

A: Introduction: The theory of antibody/antigen binding is used in ELISA assays. They make it possible…

Q: What is rationale of using serological typing in bacterial agglutination?

A: INTRODUCTION Bacterial agglutination If a particular antigen such as bacteria is mixed with its…

Q: Explain how agglutination and precipitation reactions are alikeand how they are different.

A: Agglutination and precipitation are the two prevailing immunological methods to detect antigens and…

Q: Which type of genetic test analyzes the production of hexosaminidase?

A: correct option: 2 of the above Biochemical testing and Gene Testing   Explanation: An absence of…

Q: How does a rapid test detecting RSV work and what kind of binding does it use (competitve, sandwich,…

A: Respiratory syncytial virus (RSV) is detected with the help of a rapid-test or also known as RSV…

Q: When developing the zymogram using a destaining solution, a researcher observed wedge shaped bands…

A: Zymography is a technique to assess the enzymatic activity of proteins either in situ or by…

Q: Why is the one hour bundle in sepsis protocol called the one hour bundle?

A: Sepsis is a life-threatening condition that is manifested by numerous signs, symptoms, hemodynamic,…

Q: 6. assay kits that determine the amount of glucose present

A: To give proper treatment for any disease condition it is very much important for the nurses and…

Q: What is the purpose of using Triton X in hemolytic assay.

A: Hemolysis is release of hemoglobin into the blood after the red blood cells are lysed. In hemolytic…

Q: Illustrate how latex agglutination works to bind to ASO and form agglutinates

A: Answer: Introduction: The assessment of latex agglutination rest on what kind of sample is required.…

Q: In the shown disc diffusion assay, how many antibiotics have no antibacterial effect at all?: Select…

A: The Kirby-Bauer procedure also known as a disk diffusion test is performed to test the antibiotic…

Q: What is the principle behind Liebermann-Burchard test? And What is the clinical significance of…

A: Liebermann-Burchard test used for estimation of unsaturated steroid (cholesterol) and…

Q: Why do you think it is called indirect ELISA?

A: ELISA is used to detect the antigens or proteins by using specific antibodies against them.…

Q: What is the purpose of performing a streak plate? What are some causes of lawn of cells?

A: A streak plate is a method used for growing microorganisms in the lab with help of nutrients like…

Q: In the plaque assay, exactly what makes up a single plaque?

A: Viruses are non-cellular pathogenic particles. Viruses cannot survive on their own as they lack cell…

Q: In determing Rh group, do you consider the control tube for reading when it shows an agglutination…

A: The system of the Rh blood group is used to classify the blood groups depending on the existence or…

Q: What does BCR ABL positive mean?

A: The cancer of the white blood cells is known as Chronic myelogenous leukemia (CML) in medical terms.…

Q: What is HIV?  Discuss what an immunochromatographic assay is  If a positive band appears in the test…

A: The Human Immunodeficiency Virus (HIV) is a virus that causes infection in humans. It is a virus…

Q: In your own words, explain why this procedure is referred to as an enzyme-linked immunosorbent…

A: ELISA is the most widely used test in serological diagnosis. It is well used for the detection of…

Q: explain the phenomenon of mutarotation. how is it detected?

A: Mutarotation is the change in the optical rotation because of the change in the equilibrium between…

Q: Explain how the competitive ELISA works and what it is used for?

A: Competitive ELISA is a method for determining the presence of antibodies in a sample, such as serum.…

Q: What is the vitro mixture  ?

A: All living organisms are a complex entity of a lot of chemical and biological reactions. A…

Q: In ELISA, what is the importance of washing? When does washing is performed?

A: Introduction :- Enzyme-linked immunoassay (ELISA) is an acronym for enzyme-linked immunoassay.…

Q: What is the point of doing a modified Furter-Meyer Test? What is the underlying idea of this test?…

A: Modified Furter-Meyer Test is used to detect the presence of alpha-tocopherols.