To say that the difference between sample averages is statistically significant means that the difference is:

In terms of your heartbeat, digestion, and glandular functioning, your body is pretty much a well-oiled machine that works even when you are asleep. This is possible due to your __________ nervous system.

The optimum pH for the activity of pepsin is about ________.

The function of the enzyme-substrate complex is to provide an alternative reaction pathway that ________.

“Physiological pH,” the pH for optimum activity for most enzymes, is a pH equal to about ________.

In the lock-and-key model of enzyme action, the enzyme active site is thought of as ________.

A competitive inhibitor is one that ________.

“Physiologic conditions” for reactions within the body are approximately ________.

To what main class of enzymes does the enzyme that catalyzes the following reaction belong? O OH CH3——COO- → CH3—H—COO-

Use of search engines such as Google is allowed during the exam.