Hoshi (æ) is a Japanese word which means star. It is also a surname. Hoshi (å¹²ã or ä¹¾ã) is an unrelated word meaning dried.. Hoshi (ä¿å¿) is a Japanese surname with a similar pronunciation. HÅshi (æ³å¸«) is unrelated to the preceding words, and pronounced differently. It is a technical term in Buddhism (see below).
DNA. DNA (or deoxyribonucleic acid) is the molecule that carries the genetic information in all cellular forms of life and some viruses. It belongs to a class of molecules called the nucleic acids, which are polynucleotides-that is, long chains of nucleotides. Each nucleotide consists of three components:
Concept 25 Some viruses store genetic information in RNA. DNA was believed to be the sole medium for genetic information storage. Furthermore, Watson and Crick's central dogma assumed that information flowed one-way from DNA to RNA to protein. So it came as a surprise when in 1971, it was discovered that some viruses shift their genetic information from RNA to DNA.