<span>Pepsin is an enzyme that breaks down proteins. Produced in the stomach, pepsin becomes inactive at pH values of 6.5 or more, but it is not fully denatured until it is in an environment with a pH of 8.0. Bile in the small intestine increases the pH value of food from the stomach to make them alkaline, which denatures pepsin.</span>
A mid-ocean ridge is an underwater mountain system formed by plate tectonics. It consists of various mountains linked in chains, typically having a valley known as a rift running along its spine.
Here is an example of all the possible genotypes for all blood types.
Answer:Prophase
Explanation: Prophase. In animal cells the cells have already begun to separate during prophase while in plant cells they are duplicating chromosomes
