What are 3 possible errors that could take place as you culture your samples which could lead to contamination? State 3 and explain why. Microbiology class

Q: 10. Be familiar with the differences between Gram-positive and Gram-negative bacteria.

A: Bacteria are prokaryotes. They are single-celled organisms and can have different shapes-cocci…

Q: The world is facing a Corona Virus (COVID-19) Pandemic and as a potential scientist and a…

A: The Alcohol has both the anti-microbial as well as anti-viral properties and hence used as the…

Q: What results on a microdilution antimicrobial susceptibility test would indicate an antibiotic would…

A: An antimicrobial susceptibility test is a scientific procedure used to evaluate how effective…

Q: 1. Identify the test/stain in Microbiology 2. Indicate the observations of a positive result and…

A: Part :- 1Many tests are perform to indentify bacteria in microbiology but we are explaining…

Q: Irue or False: An isolated bacterial colony supplies cells to grow a "pure culture" of the bacter…

A: A pure culture of bacteria is a population of bacterial cells growing in the absence of other…

Q: component used as a solidifying. .-1 agent for media

A: Since there are multiple questions in this particular question I'll answer the first one for you. If…

Q: Calibri 11 B. I U A - - 8. Fill in the table below. Structure/chemical Resistance to Type of…

A: Bacteria are unicellular , microscopic organisms. They are prokaryotic and lack a true nucleus. On…

Q: You grow this weird looking organism in lab and have no idea what it is. You decide to sequence its…

A: As organisms evolve, their DNA and protein sequences change. According to the molecular clock…

Q: particular community’s

A: 1. With the continuous pandemic of COVID-19, brought about by SARS-COV-2, a clever Coronavirus, it…

Q: 3 things about each one? are they selective , differential , positive , negative results etc.…

A: Selective media will be used for growth of only selected microorganisms. Differential media are…

Q: 1. Give the method of sterilization of these laboratory apparatuses how they are sterilized;…

A: Method of sterilization: Inoculating loop:              Sterilized by poking it at an angle through…

Q: Bacterial capsule helps in adherence of bacteria to surface in its environment. It also protects the…

A: First statement is true. Second statement is false. Bacterial capsule helps in adherence in its…

Q: It is a couple of years in the future and you have taken a job as a WSU lab prep assistant. You are…

A: Microbes or microorganism are found all over the world in diverse types, and these are microscopic…

Q: Identify the microbe, Genus and Class. What are the small circular structures? ORhizopus ;…

A: Fungi are living organisms which belong to Kingdom Fungi and are a group of eukaryotic organisms…

Q: ed by killing bacteria around a central point. it involves chemicals. it reaches a billion…

A: The colony can be defined as the visible mass of microorganisms  and all  of them originating from…

Q: Don't use Ai

A: The correct answer is Identification. The change in media color on an MSA (Mannitol Salt Agar) plate…

Q: Which of the following are proper disinfection steps? Check all the O Remove organic matter O…

A: Introduction: Disinfection is substances that are applied to non-living objects to destroy…

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: Which of the following is FALSE about interpreting the results of normal microbial flora experiment?…

A: Normal microbial flora: Normal flora includes microorganisms (bacteria, fungi, viruses, and…

Q: 1. TRUE or FALSE. Relative to a 24 hour culture of endospore forming bacteria, a 72 hour culture…

A: Relative to a 24 hour culture of endospore forming bacteria, a 72 hour culture would contain more…

Q: Percentage of bacteria surviving 100 80 60 40 20 10 0 1% iodine in 70% ethanol (tincture of iodine)…

A: The microorganisms can cause different health issues. For this reason proper hygiene must be…

Q: Why do microbiologists use cultured plates with 30 to 300 colonies used for calculations?  2. Why…

A: 1. Microbiologists generally used cultured plates with 30 to 300 Colonies for calculation purposes.…

Q: . You are investigating the ability of various compounds to investigate their ability to kill a…

A: The decimal reduction time (D-value) is a measure of the effectiveness of a process or treatment in…

Q: The below  photograph shows a Gram-stained slide viewed using a light microscope set at brightfield…

A: Gram's staining is a technique used to distinguish between Gram negative and Gram positive bacteria.…

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: 44)  Which answer is better related to coliform group?   Group of answer choices five different…

A: Bacteria are single-celled microorganisms that come in various shapes and sizes. They can be found…

Q: Some people consider Leeuwenhoek the "Father of Microbiology." Explain why this moniker makes sense.

A: Antonie Philips van Leeuwenhoek was a Dutch businessman and moslty a self-learned scientist. He is…

Q: Tell me three things that you know about what you know about "clinical microbiology?" What is…

A: According to the question, we have to mention three key points about "clinical microbiology". In…

Q: You attempted to determine the number of bacteria in a culture using the Turbidimetry method with a…

A: Bacterial cell counts in a broth or culture can be determined by culturing multiple plates and…

Q: How many fecal coliforms per 100 mL are in the sample?

A: These bacteria are harmless microorganisms that live in intestines of many warm and cold blooded…

Q: If working and attempting to isolate a possible pathogen from outside the lab, where specifically…

A: Pathogens  The organisms that can cause diseases are known as pathogens.

Q: 4 types of color coding in biomedical and health care waste management

A: Health care waste is all the waste produced by a medical institution, a medical research facility,…

Q: Acid fast staining Endospore staining simple stain

A: Staining is a method in which images of specimens enhanced at microscopic level. It is commonly used…

Q: 12. What class of Biosafety Cabinet is shown below? I Room air Contaminated air НЕРА iltered air…

A: Biosafety cabinet is a protective unit while working in laboratory personnel and environment also…

Q: Tell me 3 things about each one? are they selective , differential , positive , negative results…

A: To study bacteria and other microorganisms, it is necessary to grow them in controlled conditions in…

Q: can somebody please help me to write Introduction: for unknown bacteria of microbiology This…

A: The study regarding unidentified bacteria is explained to the reader in this part, along with its…

Q: 1. Give 2 systems used at present for the automatic identification of bacteria. 2. Why aseptic…

A: Two methods widely used for bacterial identification in the laboratories are: Chemical assays  PCR…

Q: ерeat ve 6 s. How many CFU/mL were in the original flask?

A: The above experiment demonstrates a technique called spread plate technique used to isolate and…

Q: Compare and contrast gram positive and gram-negative bacteria, include physical properties,…

A: Gram staining, often known as Gram's method, is a staining method for distinguishing and classifying…

Q: General laboratory techniques - the six "l's" have been developed for tl culturing of microbes. In…

A: In microbiology, there are five I's which represent six different techniques used in the…

Q: Which of the following is true Select one: O a. Inoculating loop and needle are culture equipment…

A: Answer: CULTURE MEDIA = These are the microbiological culture which are used for the bacterial…

Q: Which of the following statements would accurately describe Particulate Matter? Select one: O a. It…

A: Tiny particles suspended in the air comprise what is known as particulate matter. These particles…

Q: Question 20 Which drug has been shown to improve survival critically-ill Covid-19 patients of about…

A: Details and the correct option is discussed below.

Q: This is how a hanging-drop slide is prepared. Figure from Macedo, Wikimedia Commons, 2016. 2 3 4…

A: Observing and studying living microorganisms, such as bacteria or protozoa under a microscope can be…

Q: Which of the following is not meant to reduce contamination of yoru sample? avoiding hand contact…

A: A microbial culture is done to multiply the specific strains of the microorganisms under specific…

Q: The specimen you are examining is very thin and transparent. What can you do to make it easier to…

A: The field of view is the maximum area visible through the lenses of a microscope, and it is…