Answer:
Enzymes are biological molecules (typically proteins) that significantly speed up the rate of virtually all of the chemical reactions that take place within cells. ... The molecules that an enzyme works with are called substrates. The substrates bind to a region on the enzyme called the active site.
Answer:
Carrying capacity is like the population's limit. If the carrying capacity is at it's limit, the population can not grow anymore.
Explanation:
It could be the cell membrane which is a barrier, thinner than the cell wall, that protects the cell and controls transport from within and outside the cell.
