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
dog noun [C] (ANIMAL). A1 a âcommon âanimal with four âlegs, âespecially âkept by âpeople as a âpet or to âhunt or âguard things: my âpet dog âwild dogs dog âfood We could âhear dogs âbarking in the âdistance. More examples. 1  I â grabbed the dog by the â collar and â dragged it out of the â room.2  A dog â lay under the â table, â gnawing on a â bone. 3  Steve's gone out to â walk the dogs. 4  The â security â guards set â their dogs on the â intruders. 5  Please â keep â your dog on a â lead when on the â beach.ore examples. 1  I â grabbed the dog by the â collar and â dragged it out of the â room. 2  A dog â lay under the â table, â gnawing on a â bone. 3  Steve's gone out to â walk the dogs. 4  The â security â guards set â their dogs on the â intruders. 5  Please â keep â your dog on a â lead when on the â beach.