When you want to work with string without it becoming a tangled mess, you coil it up into a neat little bundle or ball. In a cell, these bundles of DNA are called . Proteins called help the DNA coil properly.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

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.