Lab 4: Meeting Tetrahymena 9/13/18
Objective:
The goal of this lab was to be introduced to the model organism known as Tetrahymena. We will be able to observe them under the new top-light dissecting microscopes.
Purpose:
The purpose was to be able to find a certain magnification that will also us to count the number of Tetrahymena in a certain area.
Procedure:
First I took a sample of 5 micro liters of Tetrahymena and pipetted it on cover slide which was placed under a dissecting microscope. Then after adjusting the magnification and lens, I counted approximated the number of Tetrahymena in the field of view. Lastly I repeated this three times with different drops of Tetrahymena.
Data/ Observations:
I found out that in trial 1 there were approximately 80 cells in 5 micro liters and the diameter was 20 micro meters. In trial 2, there are approximately 70 cells and the diameter of the cell was 17 micro meters, and in Trial 3 there were 75 cells and approximately 22 micro meters.
Results/ Conclusions:
The data shows that as the number of cells in the 5 micro liters sample increases the diameter of the cell generically increases.
Storage:
We rinsed our concavity slides with water and bleach and put them back into our lab desks for the next lab.
Future Goals:
For future experiments, one could test out different types of Ciliates and measure how much there is per 5 micro liters and then measure the diameter for each type.