General taste panels usually consist of at least _________ individuals. 

Jose conducted a test where he presented three samples simultaneously to his panelists. Two of the samples were the same and one was different. Panelists were asked to identify the odd sample. Jose conducted a ______________ test.

What is the charge of a proton?

What organ system would include the heart and blood vessels?

What does the pH measure?

Characteristics of life are traits that humans share with other organisms.   Match the characteristics of life related to metabolism with the correct example.

Match the correct positional term with the statement below:          

Consider the following list of commonly found items and their pH values: Baking Soda (8.3), Battery Acid (1.0), Beer (4.2), Bleach (12.8), Butter (6.1–6.4), Coffee (5.0), Egg Whites (7.6–8.0), Grapes (3.5–4.5), Milk of Magnesia (10.6), Tomato (4.0–4.5), Vinegar (2.2), White Bread (5.0–6.0) Which list includes only acids?

An acidic pH is ___________.

The human body needs to respond to its environment, and the body spends a large amount of energy maintaining homeostasis.  Homeostatic mechanisms and feedback loops maintain homeostasis.  Define homeostasis.  What are the parts of a homeostatic mechanism?  What are the two types of feedback?  Give an example of each type of feedback.