Raul Reyes: Amid the hoopla over the fight of the century there is a shameful silence on Mayweather's long history of domestic violence. He says instead, the big payday for the fighter -- and promoters and sponsors -- appears to reward behavior that is epidemic in America.
All living substances use DNA. The only reason the term genetic material is usd, is because we use mRNA to carry the DNA message, and viruses also use mRNA as their genetic material.
The cells of living things are made mainly of four elements: carbon, hydrogen, oxygen and nitrogen. They make up 96% of the atoms that are in living things, so they would be considered major chemicals.However, depending on how you define major, other elements that only make up a few percent of cells can top the list.he Big Four. Carbon, hydrogen, oxygen and nitrogen are known as the main âorganicâ elements because they form the building blocks that make life possible. Among the four, carbon is perhaps the most special, since it can form bonds with itself and makes molecules that have many different shapes.