Answer:
The correct option is D.
Reason:
Simple diffusion is the process in which movement of molecules take place from a region of higher concentration to a region of low concentration with out expenditure of energy.
Fertilization usually occurs in the fallopian tube.
The answer is d clinical deficiency
Answer:
The axial filament is located between the cell membrane and the outer membrane.
Explanation:
Axial filaments are structures used for motility too. They wraped around the cell body and are found in spyrochetes. The origin of the flagella is in the periplasmic space, the space between the inner membrane and the outer membrane they differ because other flagellum are near the cell surface, attached to the basal body enclosed in the cell envelope.
