Question 10 0.5 pts Manvi inoculated a nutrient agar deep with E.coli with an inoculating needle and placed it in the fridge. When she comes back 48h later and checks her deep, she notices that there were no changes to deep. Select the possible reasonis) why there was no change to the medium. |She did everything right Improper incubation |She killed the poor bacteria culture O Improper inoculating instrument used

Q: Question 3. The nutrient broth is a basic media used for growing a broad variety of microorganisms…

A: The study of microbiology depends on culture media that are required to grow microorganisms in the…

Q: Question 2

A: As it is given in the question, the second microbe that belongs to clostridium genus can develop…

Q: A nurse colleague asks for your help in drawing blood cultures from a patient with suspected…

A: Bacteremia is when bacteria circulate through the bloodstream. It can be caused by everyday habits…

Q: Question 1 Preparation of agar plates for cloning are usually done before inoculation or pouring of…

A: Introduction: Recombinant DNA is a term used to describe a molecule that was synthesised through the…

Q: What test requires inoculation of rabbit serum?

A: The formation of  clot in the plasma indicates coagulase production. Coagulase is a protein enzymes…

Q: QUESTION 15 Which of the following is more likely to cause urinary tract infections? O a. fimbriated…

A: Urinary tract infection is an infection which occurs in any part of the urinary system. It is more…

Q: Question 1

A: Bacteria are prokaryotic organisms that have a cellular level of organization. They are the…

Q: nurse caring for a patient with suspected sepsis has received an order to draw blood cultures. Which…

A: B. Aerobic as well as anaerobic

Q: When the onion cells were placed in 15% saline solution, these cells lost water O gain water did not…

A: Introduction:- An onion is a multicellular (consisting of many cells) plant organism. The cell of an…

Q: Use the Dichotomous Key to ID a gram positive glucose fermenter that has the catalase enzyme.…

A: Dichotomous key It is a scientific tool identifies the different organisms on the basis of the…

Q: For a successful direct staining, one should A. use a minimal amount of water to speed up the…

A: Direct staining is the process to make slides using a single stain or dye.

Q: The peptidoglycan layer of Gram-positive bacteria is exposed to the extracellular environment. True…

A: Danish Bacteriologist Hans Christian Gram in 1884 introduced differential staining techniques in…

Q: (a) (b) (c) (d) Calculate the missing values in the final column of the table. Plot the data in a…

A: The movement of solvent that is water from higher concentration towards no concentration through a…

Q: Question 5 Match the media to its functional classification TS broth or TSA [ Choose ] [Choose ]…

A: A bacterial medium is a medium which supports the growth of bacteria by providing the necessary…

Q: You are a microbiologist, you were using spread plate counts to quantify the effects of a new…

A: The spread plate count is a microbiological technique used to determine the concentration of…

Q: low is a diagram of an assay you learned a lot about in class. In the third image, what is the…

A: The biological capacity of antibodies is to tie to microbes and their products, and to work with…

Q: QUESTION 50 When a beam of light passes through or exits the solution, the light that emerges from…

A: Please note, keeping with the Bartleby policy and with in order to provide accurate and quality…

Q: QUESTION 52 Which of the following researcher(s) was the first to Isolate nucieic acids (nuclein)…

A: DNA is the genetic material of almost all living organisms. It contains the information that is…

Q: Question 13 Which of the following media:selective ingredients is incorrectly matched Saboraud…

A: Selective media is used for the cultivation of only one selected type of microorganism.

Q: QUESTION 5 A small molecule will typically move faster through an electrophoresis gel than a larger…

A: Gel electrophoresis is the method of separating DNA fragments or proteins on the basis of their size…

Q: Question 1 Nf - Ni x 2n Nf- final # of microbes Ni initial # of microbes n-(total growth time) /…

A: Bacteria, single cell prokaryotes usually reproduces through the cell division. Most of the bacteria…

Q: Are there repair mechanisms for damage caused by ultraviolet irradiation? If yes, explain. O yes RNA…

A: BASIC INFORMATION ULTRAVIOLET IRRADIATION In presence of ultraviolet radiation there is formation…

Q: Based on the results of the Kirby-Bauer test shown below, what can we say about this strain of…

A: In Kirby-Bauer testing, bacteria are put on a plate of solid growth medium and wafers of antibiotics…

Q: Question 15 You know resistance to antibiotics may be a result of enzymes which hydrolyze…

A: Antibiotics are substances or medicine that has the capacity to protect from any infection by…

Q: Question 1 In general, we would expect more bacteria to grow in a 1. streptomycin positive plate (in…

A: Question 1:-In general, we would expect more bacteria to grow in a  1. streptomycin positive plate…

Q: You have isolated a gram-positive bacterium with low G + C content from unpasteurized milk. It…

A: Given: You have isolated a gram positive bacterium with low G+ C content.

Q: MSA/mannitol salt agar plate is selective because: O it allows only gram positive bacteria to grow O…

A: Mannitol salt agar(MSA) It is a selective medium used for the isolation, enumeration and…

Q: Question 3 Describe the key properties required of radioisotopes used for () medical Imaging (gamma…

A: Isotopes are the substances that have similar number of the protons but different neutrons.…

Q: Question 19 Proteins are made in the mitochondria of cells. True O False

A: Proteins are the macromolecules which  are basically the polymer of amino acids.Proteins play very…

Q: to do the catalase test, you should add (reagent) to your bacteria. If you see bubbles, this tells…

A: Catalase is an enzyme which catalyses the decomposition reaction of hydrogen peroxide (H202) to…

Q: Question 19 Which organism below contains toxic lipopolysaccahride ?

A: The branch of biological science that studies the ecology, biochemistry, and genetics of the…

Q: Which application are micropipettors NOT commonly used for?

A: 3. Measuring millilitre volumes of liquid.

Q: QUESTION 3 Frederick Griffith observed DNA contains nitrogen and phosphorus Proteases disrupt…

A: Griffith in his experiment observed that  non virulent rough strain when mixed with heat killed…

Q: The peptidoglycan layer of Gram-positive bacteria is exposed to the extracellular environment. O…

A: Bacteria is a prokaryotic organism. The plasma membrane of the bacteria is semipermeable and…

Q: A series of mutant strains (a through f) of a particular mold are not able to grow on minimal media…

A: Auxotrophs-  If the appropriate nutrients are not provided, the auxotrophic mutants cannot grow in…

Q: Which of the following medium:function classification is INCORRECT? Sabouraud Dextrose: selective…

A: These are the culture media used in Microbiology Lab to grow and recognize the  different kind of…

Q: mL mL %3!

A: 125ml/hour for 8 hours shift + 100ml at 1300. = 125ml * 8hours/1hour + 100ml. = 1000ml + 100ml.…

Q: QUESTION 37 A reservoir is O an environment that may contain various pathogenic microbes. O a living…

A: Introduction :- All living and non-living objects that occur naturally, or in this example, without…

Q: QUESTION 20 When cells growth to a point where they cover the flask surface, this condition is…

A: Cells can easily be cultured a lab using different nutrient media and optimising conditions of…

Q: 2. Why was sterile water used? 3. Why shaking the tube is important before diluting?

A: Microbiologists do successive dilutions to generate lowering concentrations of the original sample,…

Q: Question 40 A patient has been admitted to the critical care unit of the hospital with bacterial…

A: Staphylococcus aureus is one of the culprit bacteria which is responsible for resistance to most of…

Q: Which of the following is NOT an example of innate antimicrobial drug resistance? O slow growth…

A: Since there are multiple questions, the first one is answered for you. If you require answer for a…

Q: Match the following regarding the Gram stain.

A: Depending upon the structure of cell wall, bacteria are divided into two major classes. The basis of…

Q: Which test require a straight line inoculation? Choose all that apply

A: Answer: STRAIGHT LINE TECHNIQUE : It is the streaking technique of bacterial colony over the agar…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.