Biology, 19.02.2020 18:57 jeffmacdonald1976
Chemicals released by the immune system that attack infections and communicate with the brain to elicit anti-illness behaviors are .
Answers: 3
Biology, 22.06.2019 03:30
Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above
Answers: 2
Biology, 22.06.2019 06:00
Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell
Answers: 3
Biology, 22.06.2019 13:00
Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart
Answers: 1
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
Chemicals released by the immune system that attack infections and communicate with the brain to eli...
Chemistry, 21.09.2019 22:30
Chemistry, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
English, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
History, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
Biology, 21.09.2019 22:30
History, 21.09.2019 22:30