DNA is composed of nucleotides, which are composed of a 5-carbone sugar (deoxyribose), a phosphate, and a nitrogenous base (adenine, guanine, thymine, or cytosine abbreviated A, G, T, or C). DNA is composed of two complimetary strands, with complimentary bases matching up through hydrogen bonds. 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).
Define pet: a pampered and usually spoiled child; a person who is treated with unusual kindness or consideration : darling â pet in a sentence a pampered and usually spoiled child; a person who is treated with unusual kindness or consideration : darlingâ¦ See the full definition
A pet peeve or pet aversion is a minor annoyance that an individual identifies as particularly annoying to them, to a greater degree than others may find. Origins. Its first usage was around 1919. The term is a back-formation from the 14th-century word peevish, meaning ornery or ill-tempered.