One degree is 1/360 of the way around a circle and therefore 1/360 of the moon's orbit around the earth. 1/360 of one month is on the order of a couple hours.] This page was last updated June 28, 2015. The Earth.
DNA is negatively charged because of the phosphate group that is in each nucleotide. DNA also has a negative charge because of the phosphate icons in its chemical backbone.â¦.
Salt, which is used along with ethanol to force DNA to precipitate, interacts with DNA molecules to make it much less hydrophilic. Ethanol makes it easier for this interaction to take place. DNA is hydrophilic because of the negatively charged phosphate groups found along its sugar phosphate backbone.