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-true or false. the distance the objective lens is from the specimen when the specimen is in focus is called working distance.
-in the DNA extraction from fruit laboratory, by what process did cell lysis occur
- decanting
- filtering
- blending
- mashing
- measuring
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- if the ocular lens has a magnification of 20x and the total magnification of the image is 500x. what is the magnification of the objective lens? 480x 10.000x 520x 30x 25x -true or false. the distance the objective lens is from the specimen when the specimen is in focus is called working distance. - in the DNA extraction from fruit laboratory, by what process did cell lysis occur decanting filtering blending mashing measuringCopy and paste the link below and watch the video on Youtube https://www.youtube.com/watch?v=8RBs0Ghg_48 Answer the following Questions: 1. What are the chemicals and materials used in gel electrophoresis? 2. Draw a schematic diagram of a gel electrophoresis set-up 3. Describe the procedure in doing a gel electrophoresis experiment. Why is there a need for a leveling bubble/leveler? What is the use of the rubber dam? 4. What is the use of ethidium bromide and why must you wear gloves when you handle it? 5. What makes the DNA fragment move towards the positive plate? 6. What is the purpose of glycerol in the sample buffer? 7. What is the use of a DNA ladder? 8. What will happen when you increase the voltage of the set-up? 9. Can gel electrophoresis be used to separate amino acids? If so, how is it done?True or False: Ultrathin sections are used for light microscopy but are to thin to be stable under an electron mocroscope X-ray beam.
- The subcostal short axis views are achieved by rotating the probe approximately ______ degrees anticlockwise from the subcostal 4-chamber view so that the scan plane is ______________ to the 4-chamber view and the POM is directed to the ___ o’clock position.Assume your field of view under a 3X objective is 6mm across. What is the field of view in mm under a 20X objective? Show clear work with units for credit. Field of view 20X objective? ___mm What is the field of view of this 20X objective in micrometers? If you observe a specimen under the 20X objective and the specimen spans one-quarter of the field of view distance, how long is the specimen in micrometers?uses of 1D and 2D polyacrylamide gel electrophoresis techniques.
- In order to do electron microscopy the samples had to be specially prepared. Were the cells alive at the time of viewing? Explain why you said yes or no I need help answering this queshtion the answer is with the article and it has to be as short as possible URL: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC106848/The essence of the electrophoresis method. The main components of the installation for carrying out electrophoresis. Application of this method to study the properties of various molecules. Electrophoretic mobility, what it depends on.Fill in the blanks with appropriate terms, phrases, or clauses to complete the following sentences correctly and thoroughly, without losing focus. In electrophoresis, protein samples should be denatured before being applied to the electrophoresis gel. Otherwise, samples that have not been denatured will tend to move through the gel than it normally would. A correct, thorough, and focused explanation for this effect is: because
- Loaded into first lane of this gel is a DNA sample from a crime scene. The rest of the lanes contain DNA samples from various suspects. Which suspect was likely present at the crime scene? Spec 1 Dad 1 Spect Hilang I Spect 11What can be the errors and limitations of Gel Electrophoresis practical? Explain in very much detail and also provide some better suggestions.The actual length of a cell is 50µm. When projected on the big screen in the class, the same cell is 2m long. What is the magnification factor of the cell on the screen? 1 000x 4 000x 10 000x 40 000x 100 000x 400 000x