A quick Google search revealed that Andrew Johnson was the 17th president of the United States.
Answer:
Chromosomes start being copied at the center of the cell. They move to the ends as replication
Occurs.
Explanation:
An organism<span> is a living being that has a cellular structure and that can independently perform all physiologic functions necessary for life. In </span>multicellular organisms<span>, including humans, all cells, </span>tissues<span>, </span>organs<span>, and </span>organ<span> systems of the body work together to maintain the life and health of the </span>organism<span>.</span>
The correct solution for this is explained the first option. Since water has an equivalent amount or number of H ions and OH ions, pure water itself is not slightly acidic nor basic. This equality of ions, causes the pH of water to be around the mid point of the pH scale which goes from 0 - 14, and thus is 7. This is a neutral pH.
Answer:
Shape of Red Blood Cells Erythrocytes are biconcave discs with very shallow centers. This shape optimizes the ratio of surface area to volume, facilitating gas exchange. It also enables them to fold up as they move through narrow blood vessels.
