Answer:
DNA and RNA
Explanation:
DNA remains inside while RNA transports
Individuals who are heterozygous for the sickle-cell allele suffer less from the attack of malaria because a small percentage of the red blood cells are sickle-shaped. They are more resistant to malaria than individuals who have two copies of the normal haemoglobin allele. Heterozygous individuals have a better chance of surviving and reproducing in regions where malaria is prevalent since they do not fully contract the disease.
Those receptors are located in the head, where the eyes and ears are located.
The answer would be hypotonic
