Pepsin is produced by cells lining the stomach. it catalyzes reactions needed to digest certain proteins. after leaving the stomach, food enters the small intestine. the ph of the small intestine is around 7. what would most likely happen to pepsin enzymes that traveled with the food from the stomach to the small intestines?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

What condition is kept close to its set point in osmoregulation? a. body temperature b. platelet count c. blood glucose level d. water balance

What changes the stability of the element