(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)

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

(05.02 MC) One cause of heartburn is overproduction of stomach acid. Frequent heartburn could be caused by which of the following? (2 points)

(05.03 LC) Which of the following correctly defines”catalyze”? (2 points)

(05.03 MC) Image Courtesy of 3DScience.com What occurs when the macromolecule pictured above mixes with water? (2 points)

(05.02 MC) Image Courtesy of 3DScience.com Based on the image above, which of the following digestive system organs performs both mechanical and chemical digestion? (2 points)