The last time we ran a gel, we ran a 1% gel. Why would we choose to run a 3% gel today on the worms

Q: Using the diagram above, answer questions 26-35: 26) To focus on a specimen when you are using the…

A: 26) To focus on a specimen when you are using the scanning power objective lens, you would use the…

Q: The diffraction limit describes the limitationof light microscopes to distinguish objects less than…

A: Combining image gathering with computationally intensive image analysis can yield a wealth of…

Q: You have a culture that has 5 X103 cfu/ml of bacteria in it. You perform a serial dilution by adding…

A: In microbiology and bacteriology, the technique of serial dilution is a fundamental method used to…

Q: You have conducted serial 10-fold dilutions and measured the cfu (colony forming units) of a…

A: Given information CFU for the bacterial sample= 5 colonies volume of the sample= 0.4 ml Dilution=…

Q: What method is used to transfer plasmid DNA into bacteria? Group of answer choices heat shock…

A: Plasmid  It is an extra chromosomal piece of DNA found is many of the prokaryotes.

Q: Which statement(s) indicates one or more benefits of electroporation? A.) Possibility of…

A: Electroporation The method of making hybrid DNA in cells.

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: You perform a Gram staining technique on two bacterial species and observe that one is stained…

A: Gram staining is a technique used to differentiate between two groups of bacteria namely…

Q: Transfection efficiency refers to a) total number of transfected cells per dish O b) total number of…

A: Transfection is the process of introducing RNA or DNA intentionally in the eukaryotic cell…

Q: You perform a plaque assay with your bacteria and serial dilutions of your bacteriophage,, and then…

A: Serial dilution is a process of making a series of dilution in order to determine the concentration…

Q: What salt did Meselson and Stahl use for their ultracentrifuge gradients? O NaCI O NH4CI O CSCI O…

A: Given: DNA replicates semiconservatively. Matthew messelson and Franklin stahl performed an…

Q: Is the isolation plate pigmented? (is their a color for it)? what is colony morphology(single cells…

A: Colony morphology is a method that is used to describe the characteristics of an individual colony…

Q: The volume of E. coli added to each warm agar pour/virus mixture was originally100µL.  After…

A: E.coli when added to the agar pour containing virus was originally 100 ul and later changed to 300…

Q: If the concentration of phage in the original sample was markedly increased from the concentration…

A: 1. Dilution Series:  - Start with a high dilution, such as 10^-5 or 10^-6, of the original phage…

Q: If a bacterial culture is started with 50 cells, what will be the cell number after four…

A: Cultured bacteria are any bacteria that grow in the lab by the microbiologist using the required or…

Q: What is pseudoknot?

A: RNA(ribonucleic acid) is a type of nucleic acid like DNA(deoxyribonucleic acid) which plays an…

Q: 1) both streak plating and pour plating produce isoluated colonies. What is the underlying…

A: Hello there! Since you have posted multiple questions and not mentioned which one of them to be…

Q: The process of collecting characteristics of your unknown bacterium can be helped by the use of a…

A: Bacteria refer to single-celled microscopic organisms. They are found to be powerful and complex…

Q: Suppose your professor handed you a test tube with 2.0 mL of M. foliorum infected with bacteriophage…

A:

Q: You have a culture of bacteria and you performed an Acid Fast staining. You see red rod-shaped…

A: Introduction -  Acid-fast staining is a differential stainingused to differentiate acid fast and non…

Q: Katelyn had been working for Dr. Johnson for a month, and while she had become quite good at…

A: Methicillin-resistant Staphylococcus aureus (MRSA) is a bacterium that causes infections in…

Q: Which of the following experimental techniques was used by Hershey and Chase to establish the…

A: Answer : option 3) Isotope labelling is correct.

Q: ow do you figure out a number of live cells using flow cytometry results?

A: Flow Cytometry is a technique used to determine and analyze the characteristics of cells using…

Q: 10) With the disk test, what specifically are you looking for to know if a bacteria is susceptible…

A: The disk test is done to find which bacteria is susceptible to which antibiotic. This test is also…

Q: X D A B C 11:32 E MT Sp 24 H K 56% 50 5 Using the diagram above, answer questions 26-35: 26) To…

A: 26) To zero in on an example with the examining power objective focal point, you would utilize the…

Q: Why is it important to follow sterile technique?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Why can't you see the bacteria when you first swab a plate

A: Bacteria are one-celled organisms that make up a vast group. They can dwell in a variety of…

Q: Why does fixation of the positive dye help bacteria stick to the slides?

A: Dyes in microbiology are for staining cells; they are used based on the chemical properties and the…

Q: A protocol calls for 10^3 phage particles as starting material. How much of your phage suspension…

A: Bacteriophage -- Phage means to eat .Bacteriophages are viruses which infect bacteria and phage…

Q: A media contains 2 E. coli cells which have a generation time and a replication time of 60 and 40…

A: Given: 2 E.coli cells generation time = 60 mins. 2 E.coli replication time = 40 mins. Number of…

Q: You have several different media onto which you inoculated eight strains of yeast (A-H). The media…

A: Minimal medium (unsupplemented) A minimal medium is a growth medium used for growing microbes and…

Q: What is the difference and compare the light source and path of light of a immunofluorescence…

A: Introduction  : A microscope is a tool that can be used to examine cells and other tiny objects.…

Q: How would the slide appear if the bacteria were stained with safranin, a basic red dye?

A: The appearance of bacteria, when stained with safranin, is to be determined.

Q: How do you recognize individual colonies? Describe color, shape, size. Explain how the streak plate…

A: When the bacteria is provided with the needed nutrients and other optimum growth conditions like pH,…

Q: If you counted 300 colonies on a plate that had a 10-5 dilution of bacteria culture, how many…

A: Introduction  Colonies are groups of microorganisms, such as bacteria or yeast, growing on or within…

Q: You infect bacteria with two phages during a cis test. This produces a lysate that contains phage…

A: In virology, the plaque assay is done to measure the level of infectivity of the bacteriophages. The…

Q: During the process of conjugation between two bacteria, each bacterium transfers some of its DNA…

A: Conjugation is a type of horizontal gene transfer in which genes from one bacterium are transferred…

Q: The percentage of the agarose gel is important because a) it influences the rate of migration of…

A: 1. Agarose gel is widely used for the separation of DNA and RNA molecules and their visualization.…

Q: Using the diagram above, answer questions 26-35: 26) To focus on a specimen when you are using the…

A: To focus on a specimen when you are using the scanning power objective lens, you would use the…

Q: What is [are] good reason[s] for plating a mixture of bacteria so as to form colonies? Select all…

A: A mixture of bacteria is encountered everywhere in nature, in environmental as well as in clinical…