I believe it would be C) Cellulose. As this is one of the essential components found in the cell wall of plant cells.
Un what's even the question so that I can help you get the answer???
Answer: Option C.
Inefficient oxygen transportation.
Explanation:
Sickle cell anaemia is an inheritable condition in which the red blood cells cannot carry oxygen to the organs or whole body because the red blood cells shape has been distorted and is sickle in shape. In this condition there is not enough red blood cells to carry oxygen in the blood.
Red blood cells function to transport oxygen in the blood because of the haemoglobin molecule present in them.
This can damage the organs nerves,lungs, livers spleen e.t.c