Answer:
D. Enzymes require a specific range of pH values to function.
Explanation:
Enzymes function the best in a neutral pH, rather than in very acidic or basic environments.
Enzymes are very affected by changes in pH levels because they perform much better in neutral environments.
During a facial trauma due to facial injuries is generally sustained by maxillary bone. Maxilla is a combination of two bones and forms the upper jawbones. It supports the upper teeth while the mandible supports the lower teeth. Direct facial injury may cause maxillary injuries. The zygomatic bone protects the cheekbone and lies between orbital bone and maxilla.
The facial skeleton protects the facial bones and house the sense organs. The facial bone is complex MAXILLA house the upper teeth in the facial bone. It is thickened in an inferior concavity.
Membrane of the cell/ cell wall and membrane if it is plant