<span>For the first step, you must isolate the cells from the media. The cells contain the DNA so you keep the cells and pellet.
The next step would be a cell lysis which causes the cells to open and the DNA to come out. At this point you would keep the supernatant, as the pellet is the cell membrane and other parts of the cell.
The chelex is to bind to transition metal ions. This would cause and DNases in the cell to become inactive because the metal ion is their cofactor. The pellet in this case would contain the chelex and the DNA would still be in the supernatant.</span>
Answer:
are hydrogen, oxygen, nitrogen, and carbon,
Explanation:
which together make up over 99% of the mass of most cells. They are the lightest elements capable of forming one, two, three, and four bonds, respectively
<span>Flakes or dry patches made up of excess dead epidermal cells are a known as scales. </span>
Answer:
According to neuroscientists, everything we perceive is a construction of the brain, thus, human perception is largely a linguistic and cultural process that assigns meaning to the millions of sensations we encounter daily.
Explanation:
