Answer:
<em>Some enzymes help break large molecules into smaller pieces that are more easily absorbed by the body. Other enzymes help bind two molecules together to produce a new molecule. Enzymes are highly selective catalysts, meaning that each enzyme only speeds up a specific reaction.</em>
Answer:
The <u>air quality index</u> is a measure of ozone and other pollutants in the air.
Explanation:
Living things:
-made of cells
-reproduce
-react to environment & surroundings
-adapt
-get & use energy
-grow and develop
Answer:
C
Explanation:
because a vestigal organ is one that serves no relevant purpose and we do not need any of the following options except for the liver.
The crossing over is a process that is essential to human genetic diversity. During the crossing over parts of the homologous chromosomes ( two chromosomes identical by structure, but different in origin, one inherited from the mother and one from the father) randomly exchange parts of their sequences.
If the crossing-over didn't exist, this would greatly decrease the genetic diversity, because the chromosomes would always bee passed o the next generations unchanged.
