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After inoculating a petri dish, why should you incubate it inverted?

What color is Serratia marcescens when grown at 37°C?

In the acid-fast stain technique, what is the primary stain and what is the counterstain? 

True or False: All three types of muscle tissue (smooth, skeletal, and cardiac) have striations.

If you take 1.0ml of solution out of a tube and place it in a tube with 9.0ml of water, you have made a dilution of 

Explain in detail how you would do a streak isolation plate, including when you would flame your inoculating loop. 

Which of the following nervous systems is responsible for integration? In other words, this system analyzes, filters, and interprets sensory data from the periphery, determines an appropriate response to the stimuli, and then sends a message back to the periphery to perform a specific function.

Generally, when a muscle contracts, the thin filaments slide past the thick filaments. What is the correct term for this mechanism?

True or False: Local potentials are used for long distance signaling.

Muscle cells have many unique properties. One of these properties is that the muscle cell can stretch up to three times its resting length without rupturing. What is this property called?