Why was a stain added to the human epidermal cells from the cheek smear prior to microscopic observation?

As part of the HonorLock system students will  have to pay an extra fee to take the tests through this proctoring system. 

A 2.00-kg ball has zero potential and kinetic energy. Emily drops the ball into a 10.0-m- deep well. After the ball comes to a stop in the mud, the sum of its potential and kinetic energy is:

A negative political ad, if unaddressed, will ultimately harm the attacked candidate and this effect can worsen over time. This phenomenon is known as the:

A market ________ pricing strategy calls for setting price levels that are low enough to quickly build market share.

Which of the following methods will destroy prions?

Cytotoxic T cells (Tc Cells) have the cell-surface glycoprotein called

Where a main sequence star is located on the H-R diagram depends only on its

A patient with newly diagnosed high Blood Pressure has an average reading of 158/98 mm HG after 3 months of exercise  and diet modifications. Which management strategy will be a priority for this patient ?

The images below show cells in different stages of mitosis.  For each, indicate which stage is represented. A:  B: C:  D: