As the lab instructor for Cell Bio, you need to make a solution of DCMU, an inhibitor of photosynthetic electron transport. You want a final concentration of 2×10^-5 M in a final volume of 1.25 mls, and this needs to be achieved using a 10 microliter shot from the pipet. […]

Pretend you are a top national microbologist reasearcher Your working at a remote field station and you’ve been given a container of undentified mostly microscopic. Your job is to determine if the organisms are bacteria, unicellular algae, or protozans. Unfortunatlly the electricity is out, so you can’t use your microscope. […]

Population Density Lab NOTE: You will need a TI-83 or 84 graphing calculator for this lab. If you don’t own one, try to borrow one. If you cannot borrow one, there are free TI-83 calculator downloads online here: http://education.ti.com/en/us/software/details/en/480DF008128C49DDA5E882E76CE9C8B2/swti83plussdk Although density is usually an important population characteristic in ecological studies, […]

Exercise 1: Hanging-drop and wet-mount preparations 1. How does true motility differ from Brownian movement?2. What morphological structure is responsible for bacterial motility?3. Why is a wet preparation discarded in disinfectant solution or biohazard container?4. What is the value of a hanging-drop preparation?5. What is the value of a wet-mount […]