Answer:
Sickle cell trait has been observed in regions where malaria is common for over 50 years and has since become renowned for its perplexing ability to protect its carrier from malaria.
Explanation:
Their failure will adversely affect our ability to control malaria.
Answer: Between the first and second heart sounds of the cardiac cycle, systole is a time of contraction of the heart's ventricles (the sequence of events in a single heart beat).
Explanation:
RNA is genomes viruses. It caused thousands of death each year. For example Spanish Flu 1918 is the most deadly viruses. Because of deadly viruses that is why scientist have to make new fomulas to control over the flu. Every year, we should have a flu shots. However, there are several viruses have no medication for it, beside anitibiotics, for example, influenza A, B, C or H1 N1 or H3 N2. DNA is genomes of testing. For example, murder case, FBI, Lab, will collect all evidences to find out the killer. |CIS show} they are using DNA.
Answer:
answer is D. communication
