Answer:
C
Explanation:
The cell membrane is the layer surrounding the cell. This is like a barrier.
Answer:
In general, life needs to maintain a pH level between 05-8 ( second choice)
<span>In 1944, Oswald Avery identifies DNA (Deoxyribonucleic Acid) as transforming principles. This famous genetic scientist has made great efforts for many steps to find what happened after combinations of some bacteria. After purification, he found a new substance which was a nucleic acid, involving the discovery of DNA after further analysis.</span>
personality is one of them, i cant think of another sorry
Explanation:
The 3rd option:<span>It helps maintain the balance of materials needed for survival, such as oxygen and water.
These are essential to make a cell survive. Diffusion gets rid of waste which helps the needed things get to the cell. </span>
