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A simple stain can be used to 

If the field diameter is 5mm and there are 5 cells across the diameter of the field of view, how big is each individual cell? 

(03.01 MC) A newly formed volcanic island can trigger which process in an ocean ecosystem? (3 points)

(01.01 MC) A scientist is studying a form of marine bacteria growing in culture dishes. He noticed that a clear area formed around the mold where the bacteria that had grown in this area died (this is now referred to as a zone of inhibition). In the culture dishes that had no mold, no zones of inhibition were present. Formulate a valid hypothesis based on his observations. (3 points) © 2016 Centers for Disease Control and Prevention

Describle how to do a gram stain-include the names of each chemical. 

Label the following items on the microscope: ocular lens, objective lens, condenser, course adjustment, fine adjustment, light source and mechanical stage. Note: You will have extra letters.  Microscope.jpg

(01.01 HC) Scientists have been studying threats to coral reefs. The percent of reefs affected by various threats are shown in the figure below. A future global temperature increase may affect all categories on the figure. Predict which category would change the most from global temperature increases and propose a testable question that scientists could study. (3 points) © 2016 World Resources Institute

Why is the Gram stain a differential staining technique? 

What are two ways of transferring a bacterial culture? 

What color is Serratia marcescens when grown at 25°C?