The three parts to a nucleotide are a sugar backbone, phosphate group, and nitrogenous base. True
False

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.

i believe it is c: genes for body color and wing size are inherited separately from each parent.