Above a pH of 7, pepsin becomes irreversibly denatured. Pepsin was the first enzyme to ever be discovered, and it was discovered by <span>Theodor Schwann.</span>
<span>Looking at the two species' DNA would be a good place to start. If there are a number of similarities in their genotypes, then there would be a good chance that the two would also share some type of a common ancestor. This would be evidence that there was some type of selection that took place that necessitated two different species that shared a number of traits and features.</span>
Answer:
both characteristic represent mitosis
The correct answer is Sideways.
