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6. Find the difference (use a calculator):

When inoculating a plate, why is it important to angle the lid?

Where are the labeled placed on a petri dish and why? 

Identify which streak method you used and BRIEFLY describe how it is performed. If you did not use one of the streak methods describe how you would have performed either method A or B.  

It is not necessary to invert the perti dish when placing it in the incubator. 

Whether your transfers were successful or not, explain how you did/ would tell that you isolated a pure colony. Make sure to include aseptic technique and pure culture in your response. 

It is not necessary to disinfect the work area before beginning.  

Pressure between venous and arterial systems differs by about

A Doppler shift (cosine) at 60 degrees is ________ that of what it would be at 0 degrees.

The greater the angle (toward 90 degress), the smaller the cosine.