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16.  Assuming you did not get a Red color in question #17 above, you then added a pinch of Zinc and this time you still did not get a Red color.  Is this a + or a – reaction?  Explain your answer. 

14.  Organisms in the family of Enterobacteriaceae can be differentiated using a battery of tests called IMViC.  What does IMViC stand for (keep it simple, just the names) (4pts).

The core of a star 50 times as massive as our Sun, at the end of its lifetime, is more likely to become

The serous membrane that surrounds each lung is created by a parietal and visceral _________________

Which step of the bacteriophage lytic cycle requires the most ATP?

A main sequence star approximately the same size as our Sun is more likely to become

Virion is a pathogen composed of only a circular, single-stranded, RNA molecule and causes disease in plants.

Using the Figure below, match the following: Expiratory reserve volume  

What is the next step in the infection cycle of a (+) strand RNA virus after the viral genome is uncoated?

A mutation has occurred in the gene for the tryptophan (trp) operon’s repressor protein.  This mutation changes the trp repressor protein such that it cannot bind tryptophan.  How will this mutation affect trp operon regulation?