Nucleina

Nucleina is a term used to describe the acidic nucleic acids that are found in the nucleus of eukaryotic cells. These nucleic acids include deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA is responsible for storing and transmitting genetic information, while RNA plays a crucial role in protein synthesis and gene expression. Nucleic acids are composed of nucleotides, which consist of a sugar molecule (deoxyribose in DNA and ribose in RNA), a phosphate group, and a nitrogenous base. The four primary nitrogenous bases in nucleic acids are adenine (A), thymine (T) in DNA, uracil (U) in RNA, and cytosine (C), which pair specifically with guanine (G) through hydrogen bonding, forming the double helix structure of DNA. The study of nucleina is fundamental to understanding genetics, molecular biology, and the mechanisms of inheritance.