Nucleic acid other biological data made available through the NCBI web site. Deoxyribonucleic acid (DNA) is a nucleic acid containing the genetic instructions used in the development and functioning of all known living organisms. The DNA segments carrying this genetic information are called genes. Likewise, other DNA sequences have structural purposes, or are involved in regulating the use of this genetic information. Along with RNA and proteins, DNA is one of the three major macromolecules that are essential for all known forms of life. DNA consists of two long polymers of simple units called nucleotides, with backbones made of sugars and phosphate
What Work Is Fame" and "Growth" are direct accounts of two of Levine's jobs as a young man. "Fear and Fame" is based on a job Levine had cleaning out and refilling acid vats in his mid twenties. "Growth" is about the job Levine held at a soap factory at the age of fourteen. Many of Levine's poems are based on his experience growing up in Detroit. The titular poem, "What Work Is", is based on Levine's experience of waiting in a Detroit employment line. "The Right Cross" is related to a boxing teacher who taught Levine to defend himself while growing up