It's permeable to the membrane. The membrane has enough space for it to move through, the partials of the substance is small enough.
Answer:
Specialization can be described as a process by which each cell of the body tends to specialize and perform a certain important function for the body.
Although, cells of the body might have a different structure and function, yet they all carry the same chromosomes and the same DNA. However, the expression of genes is what controls the functioning of each cell. The genes which might be expressed in one cell might be repressed in the other type of cell. Hence, this is the differentiation process which allows each cell to perform a unique function.
The answer is D.) all of the above
<span>Soil creation is an outcome of successions that are carried out. Succession involves a sequence of stages which includes climax stage. It can be primary or secondary too. On the primary succession, colonization of habitats is involved. Reestablishment of a community occurs on the secondary succession. Most of the organisms and other organic components have been ruined.</span>
