74 pepsin is an enzyme (protein) that is found in the human stomach. it is one of the primary digestive enzymes. pepsin works best at a ph of 1.5-1.6. what do you think happens to pepsin when it moves into the small intestine where the ph is 6?

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above