Given:  (Hint:  Enter your answer as a set, with no spaces and  in numerical order)  You do not have to show work. Find 

Determine the number of proper subsets in the following set.  Show work on your paper. X = {1, 5, 8, 10, 12} Subsets:     Proper Subsets: 

Use an Euler diagram to determine if the following argument is valid or invalid.  Show work on your paper. Some mammals are bats. All bats can fly. Thus, some mammals can fly This argument is .

Low pressure, porous vessels that reabsorb solutes and water from the tubule cells. 

Which of the following is NOT a primary germ layer?

In the ovarian/uterine cycle, estrogen is directly responsible for the 

The major source of estrogen in women from puberty to menopause: 

Forms the chorion.

Primary follicles are in what meiotic state? 

Plays a role in urine concentration: