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- Which of the following does not stain by eosin? a. Cell membrane Ob. Cytosol Oc. Collagen O d. DNA O e. MitochondriaBacteria may be Gram + or Gram - due to their difference in staining. This stain is significant to treating bacterial diseases because A. Some people are immune to one type of bacteria but not the other B. The types of antibiotics prescribed will be based in part on which type of bacteria is causing the infection. C. Gram - always cause disease, Gram positives don't D. You can eliminate a large group of bacteria by knowing if infection is caused by either a Gram + or a Gram - which makes it easier to treat. E. B and D are correctWrite the procedure for the following embedding. a. Celloidin embedding b. Vacuum embedding c. Epoxy embedding d. Resin embedding
- 1. Using the equation of the line, cell density can be measured, EXCEPT? * A. When the absorbance reading is 0.3. B. when the absorbance reading is 0.1 C. When the absorbance reading is 0.7 D. All are correct 2. These microscopes produce an image through refractive indices except * A. brightfield microscope B. transmission electron microscope. C. differential interference contrast microscope. D. phase-contrast microscope.Image A: Image B: 25 um O A. image A- scanning electron microscope, Image B- phase contrast microscope O B. Image A brightfield microscope; Image B- darkfield microscope O C.image A- brightfield scanning microscope Image B- phase contrast scanning microscope D. image A- transmission electron microscope, Image B- scanning electron microscope O E. image A- scanning electron microscrope, Image B- transmission electron microscopeChoose the combination of answers that most accurately completes the statement.An example of an agent that lowers the surface tension of cells is a. phenol c. alcohol b. chlorine d. formalin
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