15 - Which one is a disadvantage of UV emitters? Hangisi UV yayıcıların dezavantajıdır? A) minimum operation cost minimum işletme maliyeti   B) No formation of disinfection by products Ürünlerde dezenfeksiyon oluşmaması   C) simplest ,homogeneity, low cost, reproducibility, controllability en basit, homojenlik, düşük maliyet, tekrarlanabilirlik, kontrol edilebilirlik D) it does not penetrate glass paper or plastic cam kağıda veya plastiğe nüfuz etmez E) max operational safety

Q: Why 10% bleach disinfectant are most against probiotic?

A: Disinfectant is a chemical liquid that destroys bacteria,  thereby causing disinfection.

Q: Do you think UVC disinfection of N95 face masks is effective? Give two important considerations for…

A: At the time of Covid-19, N95 masks are currently considered critical supplies by the centers for…

Q: If these cells are actually Gram +, which of the following likely occurred during the staining…

A: The Gram's method may be a standard laboratory method wont to divide bacterial species into two…

Q: Does the Gram stain provide information regarding a bacterium's susceptibility to antimicrobial…

A: The Gram stain is performed for the determination and classification of the bacteria. In Gram…

Q: Identify which mutagen is described by the following statement. Results to the formation of thymine…

A: Thymine dimer: a. It consists of two adjacent pyrimidine nucleotides, which are usually thymine…

Q: Why bleach disinfectant will the most effective against probiotic?

A: Probiotics are live microorganisms that have health benefits when consumed. These are usually…

Q: Why do Salmonella growing on XLT-4 agar is red colony with black center

A: Salmonella is a type of bacteria that can cause human food poisoning. It forms a distinct colony…

Q: Acid-Fast stain A) E. Coli -Morphology shape -Arragement -Acid-fast or non-Acid-fast B) S.…

A: Acid-fast Staining :  When the smear is stained with the primary stain carbol fuchsin, it passes…

Q: Why is it important for a microbiology laboratory technician to use aseptic technique?

A: The majority of the microbes onto which scientists work in laboratories are known pathogens.

Q: Questions 1 Predict the effect of the following "mistakes" made when performing a Gram stain. Your…

A: In order to understand the mistakes made in Gram staining procedure we need to understand the whole…

Q: 8. Pigment or color (e.g.: opaque, translucid, red, yellow, rose, violet, etc.) is also another…

A: Pigments are produced by bacteria to absorb UV radiation or to quench oxygen free radicals. Sentence…

Q: Presence of this specific bacterial surface polymer is usually demonstrated as a clear area when…

A: The polymeric surface covering in bacterial cells is called as capsule, this covering is made up of…

Q: I want to ask the question related to antibiotics resistance? The question is the non-existance of…

A: Antibiotic resistance is defined as the genetic ability of bacteria to encode the resistance genes…

Q: Is  UVC disinfection of N95 face masks  effective?  Give two (2) important considerations for UVC…

A: Decontaminating masks could be effective against the shortage of masks in pandemics.UVC…

Q: Visible Growth in Tubes Growth in Petri Dishes 0 μg/ml 2μg/ml 0 + 1 2 + + + + 3 + 5 6 0000 a.…

A: The minimum inhibitory concentration (MIC) is the lowest concentration of an antimicrobial agent…

Q: Differentiate the staining procedures. Gram Stain Acid Fast Endospore Capsule Flagella a) Principle…

A: Your filled table attached below

Q: Why is heat-fixed procedure in bacterial smear preparation not ideal for capsular staining?

A: In microscopic studies, the specimen needs to be prepared for an optimized vision under a…

Q: 8. Pigment or color (e.g.: opaque, translucid, red, yellow, rose, violet, etc..) is also another…

A: while culturing bacteria , there are certain bacteria which can produce pigments . these pigments…

Q: What are the advantages of UV disinfection versus, or as acomplement to, chemical disinfection with…

A: UV disinfection treatment is a very rapid physical process for disinfecting or sterilizing any…

Q: Draw and label the set-up of Manual paraffin wax infiltration

A: Digram of set-up of Manual paraffin wax infiltration. As per our guidelines we are not allowed to…

Q: Why is it important to limit the quantity of cells used to prepare a smear?  Mark all that apply:…

A: Smear represents a sample of cells which are going to be studied under a microscope for their…

Q: Which of the following apply to alcohols?  Mark ALL that apply: - disinfect items that are soaking…

A: Alcohol is an organic compound that carries at least one hydroxyl functional group bound to a…

Q: Is UV treament more or less effective than disinfection when used against Saphylococcus aureus?

A: Saphylococcus aureus is a gram-positive bacterium that is found in the human nose, skin, and…

Q: Why is it necessary to let bacterial smears completely air dry before heat fixing?

A: To view a bacterial cell through a light microscope, its smear must be attached to a slide and then…

Q: Why are the streak plates made from a sample of coconut water incubated at 7°C?

A: Answer: STREAK PLATE METHOD = This is the method to culture bacterial growth in microbiology…

Q: The Gram stain works because of differences in the O 1) cell membranes O 2) genetic characteristics…

A: Answer 1 cell membrane

Q: Step-by-step smear preparation of Kinyoun Method

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Q: What is the purpose for using stains? What microbial characteristics can one ascertain from a simple…

A: Microorganisms are the tiny organism that cannot be visualised by naked eyes therefore microscopy is…

Q: Gram straining procedure. Indicate the following information A. Shape........ B. Stained color…

A: On the basis of gram staining, we can differentiate between two types of bacteria, one with thick…

Q: 5. What are the basic shapes of bacterial cells? What are the basic arrangements? Know the terms.…

A: bacteria are prokaryotic, unicellular microorganisms, which back chlorophyll pigments. the cell…

Q: Besides your mycobacteria, what other microorganism can appear as acid fast positive when processed…

A: Introduction: Scientists can recognise these bacteria using an acid fast stain because of their…

Q: 1. If you expose E.coli to UV light at 30 seconds, 1 minute, 3 minutes and 5 minutes, what are your…

A: Question -  1. If you expose E.coli to UV light at 30 seconds, 1 minute, 3 minutes and 5 minutes,…

Q: The Petri Dish method is used in microbiology to raise bacteria in: a) rapid growth b) pure culture…

A: Petridish method is the growing or culturing the microorganisms in the petridish. It is easier to…

Q: The disc diffusion assay measuring a disinfectant's effectiveness against a microorganism is more…

A: An antibiotic is a chemical substance that prevents the growth of bacteria. An antibiotic can be of…