Answers: 3
Biology, 22.06.2019 13:00
Astudent from one of the research labs is having trouble preparing a slide for examination and photographing. the bacterial slide that he has brought to you was prepared using a commercially purchased stain. he has asked for your in determining what he is doing wrong so that he can change the lab protocols and continue on with his project. after examining the slide under oil immersion, you determine that no bacteria are present even though the student is able to show you the culture he used to make that slide that has visible growth in the liquid medium. which of the following statements does not explain the fact that there are no bacteria present on the student’s slide? by not allowing a glass slide to completely air dry before heat fixation, the flame will cause the surrounding water to boil and this will damage the bacterial cell. overheating during the fixation step boiled the water within the bacterial cells and resulted in the cells bursting. insufficient heating of the slide did not drive out the thin layer of water and this resulted in minimal bonding between the bacteria and the glass slide. rinsing with alcohol during the washing step stripped the bacteria off the glass slide. rinsing with alcohol during the washing step stripped the bacteria off the glass slide.
Answers: 1
Biology, 22.06.2019 21:30
Azoologist is studying four very closely related feline species. she wishes to compare their gestation periods. an observational study is conducted where the zoologist observes the gestation period of 50 randomly selected felines in each species. a one-way anova test is run to test the hypothesis that the average gestation period is the same for each of the four species. a level of significance of 0.05 is used, and a p-value of 0.01 is calculated. based on this result, the conclusion that can be drawn is that:
Answers: 1
Biology, 22.06.2019 22:00
Identify the fungus type pictured below. the image shows a mushroom used often in cooking, will gills underneath its cap.
Answers: 1
What is the first responsibility of the hunter once an animal has been shot?
Photograph the animal...
Mathematics, 15.04.2020 21:30
Mathematics, 15.04.2020 21:30
Computers and Technology, 15.04.2020 21:30
Biology, 15.04.2020 21:30
Mathematics, 15.04.2020 21:30
Mathematics, 15.04.2020 21:30