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beachgirl2 beachgirl2
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12 years ago
Can someone help me with activity 6 exercise 7-Respiratiory mechanics? And exercise 8- activity 3 & 4? Any help at all would be greatly appreciated! Thanks!  Grinning Face
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12 years ago Edited: 12 years ago, duddy
Here's exercise 8 (activity 3);

Activity 3: Assessing Protein Digestion by Pepsin

8. pH 2.0 allowed the highest pepsin activity. Pepsin would not be active in the mouth. The pH optimum of pepsin is pH 2.0 and the pH in the mouth is relatively neutral. Boiling tube 1 inactivated pepsin. Pepsin digested BAPNA in tube 2. ... for the full answer, please contribute.
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