Answer:
Carbon dioxide and water are the reactants
Answer:
Stem cells.
Explanation:
Stem cells are the undifferentiated and unspecialized cells. These cells have the ability to divide for indefinite periods. Due to their ability to divide, these cells can give rise to specialized cells. Therefore, the cells present in the mucosal surface of the gastrointestinal tract that has the ability to give rise to specialized cells are stem cells. These cells are required to replace the damaged cells with the new functional cells.
Explanation is in a file.
Proteins help with transport, building channels in cell membranes, and structure.
