The steps get me to a place like this: /My Profile/Account Information/. Authorized Users - Retail Store. Please enter the first and last name of the user you want to authorize to make changes on this account in an AT&T retail store. Select 'Save Changes' to add this authorized user. But I did not find any place to enter the name which I want to add as an authorized user.
The nucleotides used to build DNA are Adenine, Cytosine, Guanine, and Thymine. For RNA, there is no Thymine; it is replaced with another nucleotide called Uracil. These are actually the names of the nitrogenous bases that nucleotides contain.A nucleotide is made up of a Deoxyribose Sugar, a Phosphate Molecule, and a Nitrogenous Base. We refer to them though by the name of their nitrogenous base.hese are actually the names of the nitrogenous bases that nucleotides contain. A nucleotide is made up of a Deoxyribose Sugar, a Phosphate Molecule, and a Nitrogenous Base. We refer to them though by the name of their nitrogenous base.
Concept 19 The DNA molecule is shaped like a twisted ladder. Earlier work had shown that DNA is composed of building blocks called nucleotides consisting of a deoxyribose sugar, a phosphate group, and one of four nitrogen bases â adenine (A), thymine (T), guanine (G), and cytosine (C). Phosphates and sugars of adjacent nucleotides link to form a long polymer. Other key experiments showed that the ratios of A-to-T and G-to-C are constant in all living things. X-ray crystallography provided the final clue that the DNA molecule is a double helix, shaped like a twisted ladder. In 1953, the race to determine how these pieces fit together in a three-dimensional structure was won by James Watson and Francis Crick at the Cavendish Laboratory in Cambridge, England.