Answer:
Active transport
Explanation:
The process of transport of substances that uses energy and carrier proteins of the membrane is called active transport. Amino acids can not cross the hydrophobic core of the membrane and therefore, are transported through carrier proteins. The carrier proteins transport the amino acids using energy and the process is called active transport.
In meiosis, the chromosome pairs do the crossing over where there is an exchange of genetic material between them and because of it the
chromatids held together by the centromere are no longer the same.
The number of organsims at each levels, so there are more producer than herbivores, more herbivores than carnivores and so on...
Answer:
Crocodiles are actually the closest living relatives to birds
Answer:
capillaries help the blood containing the things a cell needs
Explanation:
