Survival I think (sorry if im wrong)
Particle or Subatomic particle
Sickle-cell disease is common in tropical and sub-tropical regions because being a carrier, carrying a single sickle-cell mutation (sickle cell trait), affords some resistance to malaria.
The distinction between protostomes and deuterostomes is based on differences in their embryological development. Protostomes develop their oral end from their first developmental opening, while deuterostomes have their oral end develop from the second opening on the dorsal surface.
Answer - A. From a N.A code to an A.A code.
Reason - The DNA sent a instructions aka nucleic acid (code) to make amino acid which is important for our muscles.
