What is the nature of the mutation in the dna that results in a defective sca anemia hemoglobin protein?.

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

b is dominant over the allele for the white fur.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.