The weakness of hydrogen bonds between the bases of dna allows what?

According to the loco mass the mass of reactants and products

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.