Sickle cell anemia is a genetic disorder in which the hemoglobin responsible for transporting oxygen is misformed. The disease begins with a mutation in a acid, which results in a structural difference in a– Protein; nucleic acid.

Nucleic acid; lipid.

Nucleic acid; protein.

Protein; lipid.

i can't see the full page, therefore, can't answer it

explanation:

the answer is c.) there is a warm front in region a and a stationary front in region b.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: