Answer:
selectively permeable
Explanation:
cell memebranes conteol the flow of butrients in and out of the cell, this meaning that they can keep some out of the cell. they SELECT what goes in and out.
Traces a person's matrimonial or motherline
D) Used as a source of energy when needed for a reaction. For example, adenosine triphosphate (ATP) is produced during Glycosis, which is the process of cellular respiration.
<span>Active transport involves the mitochondria. </span>