please answer asap Assume the samples in this diagram of gel electrophoresis are DNA molecules. Why do the samples migrate towards the positive electrode?because the DNA molecules are positively chargedbecause the DNA molecules are negatively chargedbecause the DNA molecules have been generated by PCR (polymerase chain reaction)because the DNA molecules are being carried by plasmidsO O o O

Gel electrophoresis is used to separate molecules of different sizes. It uses charged molecules that…

Assume the samples in this diagram of gel electrophoresis are DNA molecules. Why do the samples migrate towards the positive electrode? +) O because the DNA molecules are positively charged O because the DNA molecules are negatively charged O because the DNA molecules have been generated by PCR (polymerase chain reaction) because the DNA molecules are being carried by plasmids

Assume the samples in this diagram of gel electrophoresis are DNA molecules. Why do the samples migrate towards the positive electrode? +) O because the DNA molecules are positively charged O because the DNA molecules are negatively charged O because the DNA molecules have been generated by PCR (polymerase chain reaction) because the DNA molecules are being carried by plasmids

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter15: Genomes And Genomics

Section: Chapter Questions

Problem 6QP: Which of the following best describes the process of DNA sequencing? a. DNA is separated on a gel,...

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Examine the pGLO plasmid DNA solution with the UV lamp. Note your observations. Using a micropipettor, withdraw 10 ul of plasmid and mix it into the cell suspension of the +PGLO tube by pipetting up and down three times. Close the tube and return it to the rack on ice. Also close the -PGLO tube. Do not add plasmid DNA to the -pGLO tube. Why not?
What is the relationship between fluorescence intensity of a spot and the amount of DNA in a sample for a Virochip DNA microassay? From the following which is the best choice Less DNA results in greater fluorescene since the laser passes through he sample eaiser More DNA equals to more intense fluorescence since the DNA makes a layer to refelct the laser light More DNA equals to more intense fluorescence since of more dye on the DNA is fluorescene More DNA results in to more fluorescence since there's more DNA to be excted by the laser None of the above
Question Image hown bele nallest? Q. A gel from gel electrophoresis is shown below. Which DNA fragment is the smallest? B. Direction of Travel
DNA scissors used in genetic engineering applications are called Endo nucleases Restriction enzymes Exo nucleases O DNases
Biology Question
Which of the following correctly describes a possible scenario during a run of gel electrophoresis with DNA samples?
During which step in the transformation protocol does the plasmid DNA move into the cell? Heat Shock Grow in LB media at 37°C Plate on media with Ampicillin O Incubate the cells on ice with CaCl2 in the absence of plasmid. fg f1o 19 %24 & 5 6. 7 8. 4 5 R Y U P F G J 2 K 3] vの

Why amplify DNA using PCR before doing electrophoresis? Why not just take your DNA sample and directly run a gel?
The presence of colonies on the bacterial plate post transformation suggests which of the following? Group of answer choices The colonies contain the transformed plasmid and are not resistant to the antibiotic The colonies contain the transformed plasmid and are resistant to the antibiotic The colonies do not contain the transformed plasmid and are not resistant to the antibiotic The colonies do not contain the transformed plasmid and are resistant to the antibiotic
After adding dna ligase to plasmid alone the sample could serve as: experimental sample negative control wasteof material positive controls
The rate of migration of DNA within an agarose gel in the gel electrophoresis technique is primarily based on: O The number of the DNA fragments. The size of the DNA fragments. The concentration of the DNA None
Why is the company Qiagen has more refined DNA extraction steps than a normal Strawberry DNA extraction practical? Summary of Qiagen DNA extraction steps Add ATL buffer and grind with sample. Add 20 microliters of enzyme Proteinase K to degrade protein into a 1.5-2ml microcentrifuge tube. Add 200 microlitres AL lysis buffer, and mix by vortexing for 5–10 seconds, which breaks cell membrane allowing DNA to be released. Incubate the sample at 56 degrees for 10 minutes. Mix the cell lysate with 200 microlitres ethanol by pipetting it at the side of the microcentrifuge wall so DNA precipitates. The DNA forms a white layer and the remaining liquid is discarded. Pipet the mixture into DNeasy Mini spin column placed in a 2 ml collection tube. Centrifuge for a minute at 8000 rpm. Place the mini spin column into a 2 ml collection tube, add 500 µl Buffer AW1, and centrifuge for 1 min at 8000 rpm. Then add it to a new 2 ml collection tube (provided), add 500 µl Buffer AW1, and centrifuge for 1…