Human reaction times are worsened by alcohol. How much further (in feet) would a drunk driver’s car travel before he hits the brakes than a sober driver’s car? Assume that both are initially traveling at 50.0 mi/h and their cars have the same acceleration while slowing down, and that the sober driver takes 0.33 s to hit the brakes in a crisis, while the drunk driver takes 1.0 s to do so. (5280 ft = 1 mi)

The xiphoid process is a reliable positioning landmark for determining the lower margin of the lungs for chest positioning

When using AEC (automatic exposure control) for a PA chest projection, which ionization chamber(s) should be activated?

For a tetrapeptide, there are ____ unique sequences.

Although mutations can change the catalytic efficiency of an enzyme, we are certain that mutations will never alter the ________.

If the Keq of an enzyme-catalyzed reaction is highly favorable, then ________.

For the following amino acid (pK1 = 2.2 (carboxyl); pK2 = 8.6 (amino); pK3 = 10.5 (phenolic hydroxyl), the most abundant form at pH 9 is _______.  

In proteins, R-N–H···O=C-R bonds ________.

An enzyme ________________________________.

A channel protein