Foot board measure is basically a calculation of how many boards of a particular size that it takes to build a 12-by-12-inch square block, which means that length takes on a more significant role in the calculation of bundle than width and thickness.
The shape of adenine is complementary to either thymine in DNA or uracil in RNA. Cytosine (C). Cytosine (C) is one of the four main bases found in DNA and RNA, along with adenine, guanine, and thymine (uracil in RNA). It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached (an amine group at position 4 and a keto group at position 2). The nucleoside of cytosine is cytidine.
Nucleotides or nucleoside monophosphates are monomers of DNA and RNA. However, there are 2 differences in the monomers which form DNA and RNA respectively. The monomers of DNA have 2' H (hydrogen) and base is any of the following: adenine, guanine, cytosine or thymine. While in case of RNA, monomers have 2'OH and any of the following bases: adenine, guanine, cytosine or uracil.