Diatoms have cell walls composed of silicon dioxide.
A. silicon dioxide.
Answer:
The energy released is captured in the form of ATP (3 ATP per NADH and 2 ATP per FADH 2 ). The electron transport chain (ETC) consists of a series of molecules, mostly proteins, embedded in the inner mitochondrial membrane. The glucose required for cellular respiration is produced by plants.
The structure that surrounds the cell membrane of some cells, giving the cell a rigid shape is the cell wall.
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>
