Recall from the video the steps of how to make a wet mount of cheek epithelial cells. Place the steps of how to prepare a wet mount in the correct order from left • View Available Hint(s) Reset Help Add a drop of physiological saline to the center of the slide. Scrape the inside of the cheek with a toothpick. Stir the end of the toothpick in the physiological saline. Mix a drop of stain into the specimen preparation with a toothpick. Place a coverslip on top of the specimen.

You performed a contact angle test on four different surfaces. Based on the images provided below, which surface(s) is/are optimal for adherent cell attachment? Why? A B D

Calculate an estimated IC50 value . ( agent concentration that inhibits colony formation by 50%) show full working.

answer the following: instruction.match the name of the major part (listed below) with its location on the microscope, and give a very brief description of what each is used for:

When testing the efficacy of an antibiotic against bacteria on an agar plate, it is important to spread the bacteria evenly across the plate before you add the antibiotic. Why do the bacteria need to be applied evenly?     None of the following are true     All of the following are true     If you add more bacteria in some areas compared to others, it might obscure the effect of the antibiotic     If the area right next to the antibiotic initially received relatively few bacterial cells, that might lead you to overestimate the effectiveness of the antibiotic     If the area right next to the antibiotic initially received a relatively large number of bacterial cells, that might lead you to underestimate the effectiveness of the antibiotic

do both or don't attempt