Find the connection among the words below and choose the letter of the word which is different. A. separating medium O B. visualization OC. polysaccharide O D. hydrocolloid ***. Find the connection among the words below and choose the letter of the word which is different. O A. electrical field OB. loading dye C. buffer O D. gel density
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- O c. bends the light toward the eye and makes the specimen app d. Magnify the apparent size of the specimen Clear my choice What is the purpose of a wet mount slide preparation? Select one: a. None of the answers are correct b. improves the image quality and supports the specimen c. helps to identify diff ent types of cells O d. helps to dilute the specimen. What is the purpose of xylene (xylol) in the isolation and identificat Select one: a. it is used as a clearing agent. O b. it is used as a counter stain. O c. it is used as a decolorizer. d. it is used as staining agent. Clear my choice MacYou have 500ml of a bacterial culture (cell density 1x10^6 cells/ml). How would you want to prepare 5 ml of a cell suspension with a cell density of 1x10^7 cells/ml? OA. Centrifuge 100 ml of the stock B. Centrifuge 500ml of the stock C. Add 50 ml media D. Add 10 ml media E. Add 500 ml media F. Discard supernatant G. Centrifuge 50 ml of the stock H. Add 100 ml media OI. Centrifuge 10 ml of the stock J. Dissolve pellet in 5 ml media K. Dissolve pellet in 50 ml media L. Dissolve pellet in 10 ml media M. Dissolve pellet in 100 ml mediais an example of non radio active pharmaceutical used in nuclear medicine. Select one: O a. Captopril b. Tragacanth O c. Paracetamol O d. Tetracycline
- Choose the one answer that fits best. Which of the following statements regarding loading the well of a gel during electrophoresis is NOT correct? a. Holding the tip far above the well will make sure your solution sinks into the well properly b. Depressing the plunger too fast or too far can cause air bubbles in the well c. Depressing the plunger too fast while in the well may cause your solution to squirt out of the well d. Inserting the tip too far into the well may poke a hole into the well bottom e. You should always add glycerol to your supernatant to help your solution settle at the bottom of the wellYou have just set your microscope up for use and turn it on. You can not see field of view. a.possible problems b.solutionsThe acid fast technique is also known as: A. Ziehl-Neelsen stain B. Auramine-rhodamine stain C. Gerrard-Lampard Stain D. Kinyoun method
- Write a conclusion: Discuss the possible cause (s) for food dyes to spread to form distinct areas and don't mix right away. In both a water solution, a vinegar solution, and a baking soda solution?Which of the following WILL INCREASE gelling if addition of Ca2+ ions was added? a. starch b. alginates c. agar d. chitinYou collected 1000 mL of river water from the streamrunning through campus. You prepared dilutions of the water as follows:Tube A. 0.5 mL of river water + 99.5 mL of sterile waterTube B. 1 mL from Tube A + 9 mL of sterile waterTube C. 1 mL from Tube B + 9 mL of sterile waterTube D. 1 mL from Tube C + 9 mL of sterile waterYou then plated 0.1 mL of each dilution onto each of three MacConkey agarplates. (MacConkey agar is type of selective, differential medium. It inhibitsthe growth of Gram-positive microorganisms and non-enteric Gram-negative bacteria. Among the bacteria not inhibited by the medium,lactose-fermenting bacteria form pink colonies and bacteria that do notferment lactose form colorless colonies.) After incubation, the colonieswere too numerous to count on the plates prepared from dilutions A, B, andC. For the plates prepared from dilution D you counted the followingnumbers of colonies:Plate 1: 157 pink colonies and 62 colorless coloniesPlate 2: 167 pink colonies and 67…
- Which one of the following is not true about PEA medium? Select one: a. Contains sodium chloride b. Defined composition c. Contains phenylethyl alcohol d. Selectivewrite the procedure for the following a. celloiding embedding b. epoxy embedding c. vacuum embeddingThe Gram stain, if the decolorizing step is deleted, gram-negative cells will appear at the completion of the staining procedure. 4. a. Purple b. diaphragm С. Micrometer d. 0.02-AUM ribosome