Lights (cigarette type): Cigarettes labeled as “Lights,” “Milds,” or “Low-tar,” are considered to have a “lighter,” less pronounced flavour than regular cigarettes. These cigarette brands may also contain lower levels of tar, nicotine, or other chemicals inhaled by the smoker.Sealcoat: Sealcoat is a bituminous liquid mixture that is applied to asphalt.Vpx: Vpx is a virion-associated protein encoded by human immunodeficiency virus type 2 HIV-2 and most simian immunodeficiency virus (SIV) strains, but that is absent from HIV-1. It is similar in structure to the protein Vpr that is carried by SIV and HIV-2 as well as HIV-1.Central chemoreceptors: Central chemoreceptors of the central nervous system, located on the ventrolateral medullary surface in the vicinity of the exit of the 9th and 10th cranial nerves, are sensitive to the pH of their environment.Nucleic acid structure: Nucleic acid structure refers to the structure of nucleic acids such as DNA and RNA. Chemically speaking, DNA and RNA are very similar.Nicotiana glauca: Nicotiana glauca is a species of wild tobacco known by the common name tree tobacco. Its leaves are attached to the stalk by petioles (many other Nicotiana species have sessile leaves), and its leaves and stems are neither [nor sticky like Nicotiana tabacum].Animals and tobacco smoke: Animals are exposed to tobacco smoke and other cigarette by-products through their use as experimental subjects and through contact with smokers, as in the case of pets in houses where smoking takes place.HeightMax: HeightMax Concentrate and HeightMax Plus are purported height-enhancing pills for children and young adults marketed by Sunny Health Nutrition Technology & Products, Inc.Coles PhillipsNicotine replacement therapySymmetry element: A symmetry element is a point of reference about which symmetry operations can take place. In particular, symmetry elements can be centers of inversion, axes of rotation and mirror planes.RNA-binding protein database: The RNA-binding Proteins Database (RBPDB) is a biological database of RNA-binding protein specificities that includes experimental observations of RNA-binding sites. The experimental results included are both in vitro and in vivo from primary literature.Carboxyhemoglobin: Carboxyhemoglobin (British English: Carboxyhaemoglobin) (COHb) is a stable complex of carbon monoxide and hemoglobin that forms in red blood cells upon contact with carbon monoxide (CO). Large quantities of CO hinders the ability of Hb to deliver oxygen to the body.Chemotaxis: Chemotaxis (from chemo- + taxis) is the movement of an organism in response to a chemical stimulus. Somatic cells, bacteria, and other single-cell or multicellular organisms direct their movements according to certain chemicals in their environment.Bovine immunodeficiency virus: Bovine immunodeficiency virus (BIV) is a retrovirus belonging to the Lentivirus genus. It is similar to the human immunodeficiency virus (HIV) and infects cattle.Cigarette packets in Australia: Cigarette packets in Australia have undergone significant change. Since 1 December 2012 all forms of branding logos, colours, and promotional texts are banned from cigarette pack designs.Keratolytic: Keratolytic therapy is treatment to remove warts and other lesions in which the epidermis produces excess skin. In this therapy, acid medicine, such as salicylic acid is put on the lesion.