HIV in fact kills the immune system cells causing our body cannot fight off infections and diseases from entering our body. this creates our immune system to become weaken.
Seed travel allows the offspring of a plant to grow farther from their parents. This prevents them from competing with each other over resources.
Answer:
A) Image A represents a peptide hormone that interacts with a receptor, and image B represents a steroid hormone that interacts with the cell's DNA.
Explanation:
The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.
The horrific forced transport of Africans into America during the age of exploration as part of the slave trade that was going on where Africans were transported on ships from Africa, chained up like animals all the way to America was an example of international migration affecting the population.
External influences forced Africans to go from Africa to another continent and live there.
