The best answer would be enzymes since they are protein molecules and help build it. Enzymes also take part in reaction.
Answer:
This says that a very long time ago South Africa could have had glaciers and had a cold climate were as now South Africa has a very hot and humid climate.
<span>The state in which all body systems are functioning smoothly and in equilibrium is homeostasis.</span>
<span>Pleural sac is a two
layered membrane formed when a serous membrane known as pleura folds back onto
itself. Thus, the pleura invest the lungs and line the walls of the thoracic
cavity. However, the potential volume of the thoracic cavity increases during
inhalation.</span>
