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cytosine    
n. 胞密定

胞密定

cytosine
n 1: a base found in DNA and RNA and derived from pyrimidine;
pairs with guanine [synonym: {cytosine}, {C}]


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  • Cytosine - Wikipedia
    Cytosine can be found as part of DNA, as part of RNA, or as a part of a nucleotide As cytidine triphosphate (CTP), it can act as a co-factor to enzymes, and can transfer a phosphate to convert adenosine diphosphate (ADP) to adenosine triphosphate (ATP)
  • Cytosine | base, nucleobase, DNA | Britannica
    Cytosine, a nitrogenous base derived from pyrimidine that occurs in nucleic acids, the heredity-controlling components of all living cells, and in some coenzymes, substances that act in conjunction with enzymes in chemical reactions in the body
  • Cytosine - National Human Genome Research Institute
    Cytosine (C) is one of the four nucleotide bases in DNA, with the other three being adenine (A), guanine (G) and thymine (T) Within a double-stranded DNA molecule, cytosine bases on one strand pair with guanine bases on the opposite strand
  • Cytosine | C4H5N3O | CID 597 - PubChem
    Cytosine is an aminopyrimidine that is pyrimidin-2-one having the amino group located at position 4 It has a role as a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite
  • What Is Cytosine and What Are Its Functions? - Biology Insights
    Cytosine is one of the four fundamental building blocks that make up the genetic material in all known life forms It serves as a nucleobase, a nitrogen-containing compound, that is a component of both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)
  • Definition of cytosine - NCI Dictionary of Cancer Terms
    cytosine (SY-toh-seen) A chemical compound that is used to make one of the building blocks of DNA and RNA It is a type of pyrimidine
  • Cytosine in DNA and RNA: Functions, Modifications, and . . . - Nanowerk
    Cytosine is one of the four main nitrogenous bases found in DNA and RNA, along with adenine (A), guanine (G), and thymine (T) or uracil (U) It is a pyrimidine derivative, meaning it has a single-ring structure
  • Cytosine - an overview | ScienceDirect Topics
    This chapter provides an overview of cytosine that is a precursor of cytosine nucleotides and, therefore, of ribo- and deoxyribonucleic acids In most organisms, the free form is not an intermediate in the biosynthesis or catabolism of nucleotides and nucleic acids
  • Cytosine - New World Encyclopedia
    Cytosine is one of the five main nucleobases used in storing and transporting genetic information within a cell in the nucleic acids DNA and RNA The other four nucleobases are adenine, guanine, thymine, and uracil
  • What is Cytosine? (with pictures) - AllTheScience
    Cytosine is one of five nitrogenous bases that are attached to a five carbon sugar, pentose, and a phosphate group to make nucleotides Nucleotides are the units that join together to make DNA and RNA molecules





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