Facilitated diffusion is the diffusion of solutes through transport proteins in the plasma membrane. Facilitated diffusion is a type of passive transport. Even though facilitated diffusion involves transport proteins, it is still passive transport because the solute is moving down the concentration gradient.
Answer:
D.)
Explanation:
(I know this, by experience :|)
The slightest change in pH can destroy the substance or organism. The pH of a cell's interior helps regulate the cell's chemical reactions. For example, the pH of blood is 7.4, if blood falls to 6.8 or lower or 8.2 or higher, it results in death.
Frontal lobe because its where decisions are made and behaviors are choices (in most cases).
Answer:
The sites of replication.
Explanation:
Linear DNA is and advantage for bigger organisms because there can be many places where replication can occur, otherwise, in circular DNA replication can only happen in he ORI place, that is unique. This feature allows to replicate several genes in the same amount of time being more efficient in protein synthesis.
