In the blueprint experiment, what would be the result of not exposing the print to sunlight for a sufficient amount of time? Also, in the blueprint experiment,
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In the blueprint experiment, what would be the result of not exposing the print to sunlight for a sufficient amount of time? Also, in the blueprint experiment,
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- Why is the wavelength of the light that is released in spectrophotometric analysis longer than the wavelength of the light that is used to activate a fluorescent molecule?A fluorescence recovery after photobleaching (FRAP) was performed at 37 °C. If the experiment were carried out at 10 °C, what effect would you expect on the rate of fluorescence recovery, Why?What is FRAP (Fluorescence Recovery After Photobleaching)? Draw a graph of fluorescence versus time during FRAP. What does FRAP prove?
- When performing a negative stain, how does it work and why does it only stain the background?How can a UV-Vis spectrophotometer be applicable in determining the absorbance/concentration of a colorless sample? Please answer in detail and clearly. Thank you so much!What did you notice about the Human Palmar Skin photomicrographs shown at (a) 400x vs (b) 100x TM? Why do you think your instructor is asking you to look at it at two different total magnifications? What did you notice about the Scalp Bald Human photomicrographs shown at (a) 40x vs (b) 100x TM? Why do you think your instructor is asking you to look at it at two different total magnifications? What shows up well on the Human Palmar Skin photomicrograph but not the Scalp Bald Human? What whos up well on the Scalp Bald Human photomicrograph? How is the histological structure of the sweat gland completely and totally different from that of the sebaceous gland? Comment on the epithelium type, the arrangement of the cells, and the locations of the glands. What type of epithelium lines the visceral serosa? What type of connective tissue is deep to the epithelium of the visceral serosa? What type of connective tissue is part of the parietal serosa? What are the names of the 3 types of covering…
- Why are basic dyes more effective for bacterial staining than acidic dyes? State two ways that can confirm whether a bacterial smear has been correctly prepared or not. Why should you be careful not to underheat a smear during the heat-fixing process? Why do you think the presence of grease or dirt on a glass slide will result in a poor smear preparation? Cite two or three reasons.Can colorless samples be analyzed using a UV-Vis spectrophotometer? Yes or No or Maybe?how would this be drawn if it was inside the image?
- Is it possible to perform double or triple staining using fluorescent dyes? Explain.In four steps, describe the simple staining procedure.Why can we use drops instead of concentration to graph the data? What do we have to do experimentally to ensure reliable data? In other words, what equipment do we need to use to make sure the only thing changing is the concentration of bleach.
