Q: Pharmaceutical suspension similar to emulsion from the point of phase TRUE FALSE
A: A pharmaceutical suspension can be described as a heterogeneous mixture with two phases: internal…
Q: Experiment :method of sterilization on glassware and media
A: Sterilization is a process by which all forms of life are killed, deactivated or removed from a…
Q: Why are the results of plate counts expressed as the number of colony-forming units, rather than the…
A: Microbes are small living organisms which can not be seen through naked eyes. The study of these…
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: Difference between streak plate method and serial dilution
A: Ans: Streak plate method- It is a technique used mainly to isolate pure culture of bacteria from…
Q: You will only isolate pure colony to inoculate again (sub-culturing) to newly prepared plate medium,…
A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…
Q: serology (elisa) lab: If the sample gave a negative result for the disease-causing agent, does this…
A: A negative result means that the person is not suffering from the disease or the antigen is not…
Q: ILLUSTRATIONS: 1. Sterilizers seen in the laboratory and their parts.
A: 4 main methods of sterilizarion - physical methods Radiation method Ultrasonic method Chemical…
Q: amylasw test test for? medium+ - reagents + Test/why?
A: Amylase is an enzyme produced by the salivary glands to digest carbohydrates. The amylase test is…
Q: Streak for Isolation Successful or unsuccessful? (How could you tell?) Pigmented or non-pigmented?…
A: Microbial culture techniques are applied to determine what type of microbial species a sample…
Q: Procedure Sml Take ml Top up to 50ml. Add 50 ul of Mix overnight culture mixture with 45 ml LB to…
A: Ampicillin is a antibiotic use to treat several infections.
Q: Colonies of Bacillus cereus on (A) agar plate
A: Bacillus cereus it is gram positive, rod shaped , facultative anaerobic, spore forming, motile and…
Q: which bacteria is Rods with parallel sides and rounded ends, gram negative, non motile and negative…
A: Bacteria classified according to their shape ate of following types: Spherical bacteria known as…
Q: Can you please help me describe the colony apperance on these two stains? Thank you! Growth on Blood…
A: The chocolate agar and the blood agar media both have the almost same composition. The only…
Q: Gram staining techniques
A:
Q: Citrate test What is the color of the medium before inoculation? Green or blue
A: Biochemical method of bacterial identification is a classical method that is used for the…
Q: Procedure Take ml Top up to 50ml. Add 50 ul of Mix Sml overnight culture mixture analyse to Add…
A: The graph emphasizes the different absorbance patterns of culture of E.coli and LB borth with…
Q: Oven sterilization of aqueous culture medium. Effect: Rationale:
A: Oven sterilization utilizes dry heat of about 160 or 170 degrees celsius for one hour or 30 minutes,…
Q: Ninhydrin Test Samples used: Egg Albumin Gelatin Dispersion Added reagent: Ninhydrin Solution…
A: Ninhydrin is a general test for proteins and amino acids. It degrades amino acids into aldehydes,…
Q: Citrate test Explain what is the color of the medium after incubation? Green or blue
A: To correctly identify a microbial species, we make use of various biochemical assays that have…
Q: Procedure Take Add 50 ul of Top up to 50ml. fresh LB- ampicillin Mix Smi ml to the overnight culture…
A: Two culture mediums are prepared using E.coli and LB borth. Both the mediums are prepared in…
Q: purpose of using serum in culture media
A: A culture media is a media made in the lab, that is curated to facilitate the culture and growth of…
Q: Procedure Mix Take ml Top up to 50ml. Add 50 ul of Sml mixture Add fresh LB ampicillin to the…
A: Absorbance: The amount of light absorbed by a solution is measured by absorbance (A), also known as…
Q: procedure/s in performing aseptic transfer of bacterial cultures in (include illustration) (1)…
A: Aseptic technique is most commonly used in microbiology and biotechnology lab. It refers to the…
Q: Match the confirmation test to the category of bacteria. (each category can be used multiple times)…
A: Gram-positive bacteria are bacteria that test positive in the Gram stain test, which has…
Q: Negative staining is useful for OA.motility purposes OB.visualizing morphology OC.flagella detection…
A: Introduction: Negative staining is a technique for contrasting a thin specimen with an optically…
Q: Which of the results shown in the figure (Test A, B, or C) used Biuret Reagent? TEST A TEST B TEST C…
A: Peptides are defined as a short string of amino acids where it contains only 2 to 50 amino acid…
Q: which bacteria is Coccoid as singles or in pairs, gram positive, non motile and negative oxidase…
A: Answer: BACTERIA = These are the unicellular prokaryotic cells which lacks membrane bound cell…
Q: Modified Acid-Fast Staining used for O stool blood O bon O tooth
A: Introduction Histology is the study of the microanatomy of cells, tissues, and organs as seen…
Q: Which cellular structure is being detected in the motility test? bacterial ribosomes bacterial cilia…
A: Prokaryotes are characterised by the absence of nucleus and membrane bound organelles.
Q: Bacterial Growth lab: Each 20-minute interval, absorbance of culture was recorded. When the curve…
A: Bacterial growth is defined as the proliferation of bacterial cells and increasing the number of…
Q: Colony Morphology on TSA Plate Colonies Size,Color, Elevation S. saprophyticus and S. marcescens
A: Colony morphology is a method adopted for studying the bacterial colony growing on agar in a Petri…
Q: Stain Test. On a piece of white paper, place one or two drops of coconut oil. Note any stained…
A: Oils are liquids at room temperature due to the presence of higher percentage of unsaturated fatty…
Q: Procedure A Add ul ampicillin to 50 of Take mixture analyse OD600 Top up to 50ml. to Add fresh LB…
A: This graph is of two groups group A and group B. group A is about ampicillin and group B is about…
Q: Test for the Components of Milk A. Test for Casein PROCEDURE: In a test tube, place pinch of…
A: Casein is a group of related phosphoproteins. These proteins are regularly found in mammalian milk.…
Q: Colony formation can be observed in liquid media. a) Trueb) False
A: The culture medium or growth medium is the specific medium, which contains all essential nutrients,…
Q: Observations and Results Average Count per ml of Sample (CFU/ml) Bacterial Dilution Factor ml of…
A: Introduction The Stepwise Dilution Of A Substance In Solution Is Referred To As Serial Dilution.…
Q: Solubility test RNA yeast cold water and alcohol
A: A solubility test is usually carried out to determine the ability of the compound to dissolve in the…
Q: Apple Slice dipped into different solution
A: apple slice dipped in water should have some brownig , but not as much as the control . beacuse…
Q: Gram stain blood bottle what the result shows, what the result means,
A: The Gram staining technique is primarily helpful in the identification of the bacterial type. The…
Q: serology (elisa) lab: Why did you need to wash the wells after every step?
A: ELISA is the enzyme linked immunosorbent assay. The main components of ELISA are the antigens and…
Q: Procedure Add 50 of ul the Mix Sml Take 3 ml Top up to 50ml. overnight culture with 45 ml LB -…
A:
Q: Derailed description of the following test / media SIM medium
A: SIM stands for Sulfide, Iodide, Motility medium. It is a semi-solid medium that is used to check the…
Q: Explain why some cells are pink and others are the Gram- stained bacterial smear.
A: Gram staining is the differential staining technique performed to differentiate the bacterial…
Q: Citrate test What pH idicateor is in this medium?
A: It is required to identify the pH indicator in citrate test.
Q: Catalase test What is the reagent used in this test?
A: It is required to identify the reagents that are used in the Catalase test.
Q: Below is a diagram of the serial dilution of a culture with 1 x 10° cells. Fill out the missing…
A: Colony-forming unit / mL= Number of colonies * Dilution factor * 1/volume plated in mL CFU/mL = 1 *…
Q: TRUE OR FALSE Coconut oil will give (positive) result to Molisch test.
A: Molisch test is used to detect presence of carbohydrate in a mixture or sample. This test is based…
Q: In product testing, no colonies appeared. Interpretation: Rationale:
A: Ans: Product testing: The product testing is performed as a regular quality control protocol in…
Q: a sample was diluted by placing a 0.1 mL of dilutent and 1 mL of this dilution was pour-plated.…
A: The CFU/ml in the Original Culture
Citrate test
what is the color of the medium after incubation? Green or blue
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- which bacteria is Coccoid assingles or inpairs, gram positive, non motile and negative oxidase test?in the clinic, the acid-fast stain is used to diagnose infection with which bacterium?What was the concentration of bacteria (CFU/mL) in the original suspensions used for dilutions and plating below: Dilution Amount plated # of colonies counted 10-4 1.0 mL 271 10-5 0.1 mL 36 10-6 1.0 mL 9
- serology (elisa) lab: Why did you need to wash the wells after every step?Match the test with the appropriate reagent/ chemical a. DNA test b. Paper chromatography c. Cellular respiration d. Enzyme testWhen is the best time to collect a specimen for bacterial culture?A. acute phase of disease C. incubation periodB. window phase D. after antimicrobial therapy