The highlighted phrase is a / an: [To be happy and fulfilled] is most people’s ultimate goal.   

The highlighted phrase is a / an:  It would be rude [to leave the party too early.]

The highlighted phrase is a / an: The chef, [having cooked a seven course meal,] was exhausted!  

The highlighted phrase is a / an:  The performer [wearing pink sequins] is the most experienced dancer in the ballet company. 

A hydrophilic contaminant found in irrigation runoff most likely enters a model organism through:

The downside of cytochrome P450 activation during detoxification is

A researcher finds elevated monooxygenase activity in fish liver tissues downstream from a chemical plant. Which interpretation is most accurate?

In marine biomonitoring, reciprocal transplant experiments are designed to

The following survey question is an example of a/an ________________. 

__________ scale classifies data into categories or classes without any order.