A positive correlation implies that both variables tend to increase (or decrease) together

The arrows for question 68 on the above images are pointing to the:

In RNA, the nitrogenous base uracil is replaced with:

The arrow for question 94 on the above images is pointing to the:

The “PCR machine” is called a __________.

According to studies discussed in lectures by Drs. Howell and Welden, what is the most effective means of preserving swallowing ability after radiation therapy for H&N cancer? 

The water activity of pure water is ______aw.

Explain the NAIM maneuver.  What is it, why would it be used, and how does it work?  

The arrow for question #45 on the above radiograph is pointing to the:

E. coli bacteria was spread on both agar plates and incubated for 24 hours. If you wanted to grow up a large quantity of streptomycin resistant E. coli, what would you do next?