Single-payer health care describes any country in which the government is effectively the sole insurance company: the âsingle payerâ of health insurance claims. Socialized health care describes a country in which the government owns the entire health care systemânot just the insurance companies, but also the hospitals, the nursing homes, and the doctorsâ offices.
An element is a pure substance that is made from a single type of atom. Elements are the building blocks for all the rest of the matter in the world. Examples of elements include iron, oxygen, hydrogen, gold, and helium. Atomic Number. An important number in an element is the atomic number.
Rating Newest Oldest. Best Answer: DNA is composed of nitrogenous bases, phosphate groups, and the sugar, deoxyribose. Nitrogenous bases can be: adenine, guanine, cytosine, and thymine. One nitrogenous base, one phosphate group, and one deoxyribose molecule form a nucleotide, the basic component of DNA. pairs with T, and C with G. DNA is not composed of amino acid or proteins, rather it serves as a set of instructions to combine amino acids into proteins (after it hads been transcribed into RNA the RNA is translated into amino acid sequences for proteins).