The answer is C, because it has a negative charge -1. All groups with charges called ions, unless they are organic compounds.
In the winter its color changes to more resemble their <em>winter</em> surroundings, so they are more white, enabling them to blend in better with their white surroundings. In summer, its color changes to more resemble its <u><em /></u><em>summer</em> surroundings, so they are more brown like the rocks and ground around them.
The answer is B
C pairs with G, T pairs with A but in RNA T is replaced with U so A pairs with U
The monomer of a nucleic acid (DNA is made up of multiple nucleic acids) is a nucleotoid.
