Having closed toed shoes on. Wear your safety googles and gloves at all times. Follow the directions directly as they are on the board. Have your hair pulled back at all times. Do not wear droopy clothes into the lab.
Idk come back later so i can give you that answer
When nucleic acid copies the DNA it stores or transmits <span>hereditary or genetic information.</span><span />
The bark of a tree is impervious to gases and water because bark cells are dead cells of the epidermis and compactly arranged without intercellular spaces. They contain a chemical called suberin in their walls that make them impervious to gases and water and it doesn't allow gases or water into the tree as bark cells are in the bark outer most layer of the tree.
1 H2SO4 + 2 NaNO2 ---> 2 HNO2 + 1 Na2SO4
