(05.02 MC) How does acetylcholine influence chemical and physical digestion? (2 points)

(04.01 MC) Which of the following describes the correct relationship between heart sounds and blood pressure? (2 points)

(05.03 LC) Which of the following molecules is correctly paired with its macromolecule class? (2 points)

(05.04 MC) Which of the following would increase the rate of an enzyme-catalyzed reaction? (2 points)

(05.01 MC) Air pressure is highest in the lungs during which of the following points (2 points)

(05.04 MC) Image Courtesy of 3DScience.com Based on the graph above, how well will the enzyme perform as a catalyst when placed in a pH 7 solution, such as water? (2 points)

(05.01 MC) Air pressure is lowest in the lungs during which of the following points during inspiration or expiration? (2 points)

(05.04 MC) Image Courtesy of 3DScience.com The graph above shows the progress of a chemical reaction. Based on the graph, which of the following is true? (2 points)

(05.03 MC) Image Courtesy of 3DScience.com The macromolecule pictured above could be part of which of the following? (2 points)

(05.01 HC) Describe how oxygen and carbon dioxide diffuse both between the 1) alveoli and the blood, and 2) blood and the body tissues. Include in your description the diffusion gradients present for both gases at both locations. (5 points)