Nucleotide - Definition, Structure (3 Parts), Examples & Function
2019年10月4日 · A nucleotide is an organic molecule that is the building block of DNA and RNA. They also have functions related to cell signaling, metabolism, and enzyme reactions. A nucleotide is made up of three parts: a phosphate group, a …
Nucleotide - Wikipedia
Nucleotides are organic molecules composed of a nitrogenous base, a pentose sugar and a phosphate. They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), both of which are …
Nucleotide - National Human Genome Research Institute
2 天之前 · A nucleotide is the basic building block of nucleic acids (RNA and DNA). A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base.
Nucleotide Definition, Structure, and Function - Science Notes …
2023年8月31日 · A nucleotide is an organic molecule made of a nitrogenous base, pentose sugar, and phosphate group. Nucleotides are ubiquitous in biology, serving as the foundation of genetic material and fulfilling other essential roles in cells.
Nucleotide Definition & Meaning - Merriam-Webster
2015年1月7日 · The meaning of NUCLEOTIDE is any of several compounds that consist of a ribose or deoxyribose sugar joined to a purine or pyrimidine base and to a phosphate group and that are the basic structural units of nucleic acids (such as RNA and DNA).
Nucleotide | Description, Types, Function, & Facts | Britannica
2025年1月3日 · A nucleotide is any member of a class of organic compounds in which the molecular structure comprises a nitrogen-containing unit (base) linked to a sugar and a phosphate group.
What Is a Nucleotide? Definition, Structure, and Function
Nucleotides are a class of organic compounds that make up nucleic acid, the substance that defines hereditary traits of all living organisms. Nucleotides are an essential part of DNA, RNA, and cell function, and they can serve many purposes depending on …
What is Nucleotide? - Definition, Structure of Nucleotide with …
“A nucleotide is a type of chemical molecule that makes up DNA and RNA.” Adenine, cytosine, guanine, and thymine are the four nitrogenous bases of DNA. Instead of thymine, uracil is found in RNA.
Nucleotide: Structure, Examples and Function - BYJU'S
A nucleotide is an organic molecule with a basic composition of a nitrogenous base, pentose sugar and phosphate. DNA and RNA are polynucleotides, which contain a chain of nucleotides monomers with different nitrogenous bases.
NUCLEOTIDE | definition in the Cambridge English Dictionary
NUCLEOTIDE meaning: 1. one of a group of chemical compounds found in living cells in nucleic acids such as DNA and RNA…. Learn more.