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RNA - Wikipedia
Ribonucleic acid (RNA) is a polymeric molecule that is essential for most biological functions, either by performing the function itself (non-coding RNA) or by forming a template for the production of proteins (messenger RNA). RNA and deoxyribonucleic acid (DNA) are nucleic acids. The nucleic acids constitute one of … See more
• Unlike double-stranded DNA, RNA is usually a single-stranded molecule (ssRNA) in many of its biological roles and consists of much shorter chains of nucleotides. … See more
Synthesis of RNA typically occurs in the cell nucleus and is usually catalyzed by an enzyme—RNA polymerase—using DNA as a template, a … See more
The earliest known regulators of gene expression were proteins known as repressors and activators – regulators with specific short binding sites within enhancer regions near the genes to be regulated. Later studies have shown that RNAs also regulate genes. … See more
Like DNA, RNA can carry genetic information. RNA viruses have genomes composed of RNA that encodes a number of proteins. The viral genome is replicated by some of those proteins, while other proteins protect the genome as the virus particle moves to a … See more
Each nucleotide in RNA contains a ribose sugar, with carbons numbered 1' through 5'. A base is attached to the 1' position, in general, See more
Overview
Messenger RNA (mRNA) is the type of RNA that carries information from DNA to the See moreMany RNAs are involved in modifying other RNAs. Introns are spliced out of pre-mRNA by spliceosomes, which contain several small nuclear RNAs (snRNA), or the introns can be ribozymes that are spliced by themselves. RNA can also be altered by having … See more
Wikipedia text under CC-BY-SA license RNA | Definition, Structure, Types, & Functions
WEB5 days ago · RNA is a complex compound of high molecular weight that functions in cellular protein synthesis and replaces DNA as a carrier of genetic codes in some viruses. Learn about the structure, types, and …
Biochemistry, RNA Structure - StatPearls - NCBI …
WEBJul 29, 2023 · Ribonucleic acid (RNA) is a molecule that is present in the majority of living organisms and viruses. It is made up of nucleotides, which are ribose sugars attached to nitrogenous bases and phosphate groups. …
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WEBRNA is a molecule similar to DNA that carries genetic information and performs various roles in cells. Learn about the types, structure and functions of RNA, and the RNA world hypothesis of life's origin.
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Powered by Microsoft StartRibonucleic Acid (RNA) - National Human Genome …
WEB4 days ago · Learn the definition, structure and functions of RNA, a nucleic acid present in all living cells. Find out how different types of RNA, such as mRNA, rRNA and tRNA, are involved in gene expression and protein …
Ribonucleic Acid (RNA) Fact Sheet - National Human …
WEBMay 24, 2024 · Learn about RNA, a versatile molecule that performs many roles in the cell, from carrying the instructions to make proteins to regulating genes. Find out how RNA is different from DNA, how it is made, how it …
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WEBApr 21, 2024 · An RNA strand can undergo significant intramolecular base pairing to take on a three-dimensional structure. There are three main types of RNA, all involved in protein synthesis. Messenger RNA (mRNA) …
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WEBSep 20, 2022 · RNA is recognized as the prime candidate for the primordial molecule that underpinned the emergence of life over 3.5 billion years ago, yet it is arguably the least appreciated of all biological macromolecules.
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