question 3 Transcribed Image Text: 3.Write the role of each of the following substances in the DNA extraction (nt: page 98 of the lab manual or the virtual lab will

question 3 Transcribed Image Text: 3.Write the role of each of the following substances in the DNA extraction
(nt: page 98 of the lab manual or the virtual lab will be ful):
a. Alcohol
b. Centrifugation
c. Detergent
4.Consider a cell in metaphase compared to a cell in rest (not in the cell
cycle leading to cell division). properties of a metaphase cell might let
you extract more DNA compared to the resting cell? Are there any that
might make the extraction more difficult?
5.Describe the role of cell division in at least one of the following areas of
biology:
a. Stem cell research
b. Cell cloning for organ replacement therapies
c. Cancer (see the DNA LC’s video on tumor growth for a
hint: https://dnalc.cshl.edu/resources/3d/31-tumor-
growth.html)