Answer: As each cell differentiates, the <em>DNA </em>changes so that each type of cell has different <em>DNA</em> once it reaches maturity. Mutations in the cells’ nuclei lead to new combinations of <em>DNA</em>, resulting in different shapes and functions in the different types of cells.
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c proteins .. most used cuz it provides energy and builds muscle
Answer:
The simplest mechanism by which molecules can cross the plasma membrane is passive diffusion. Passive diffusion is thus a nonselective process by which any molecule able to dissolve in the phospholipid bilayer is able to cross the plasma membrane and equilibrate between the inside and outside of the cell.
Answer: forgive me for not answering but where is the correlation between someone having a low level of melanin in their skin and being susceptible to herpes. Now that I’ve said that the best answer I can think of is epidermal dendritic cells.