Lab Activity 1A

1. Go to https://virtuallabs.nmsu.edu/micro.php. It may request permission to run Adobe Flash. Give permission. No download is required.
2. Go through the tutorial
3. At the end submit a picture of the final result of the bacterial stain shown. Please submit on Blackboard.

Answer the following questions.

1. List the parts of the microscope described. Give the function of each.
2. How many objective lenses does the microscope have?
3. At what position must the nosepiece be when adding oil?
4. Take a picture of the image under 100X (with oil)
a. Before using the fine focus
b. After using the fine focus
5. What steps were followed during clean up?
6. Which step ensured all bacteria on the slides were killed?

Lab Activity 1B

1. Go to https://www1.udel.edu/biology/ketcham/microscope/scope.html It may request permission to run Adobe Flash. Give permission. No download is required.
2. Go through the tutorial
3. At the end submit a picture of the following of onion root tip, bacterial capsule and cheek smear. Be sure to give the total magnification of each.
   1. scanning objective
   2. low power objective
   3. oil immersion