Crossword clues for cytosine
The Collaborative International Dictionary
cytosine \cy"to*sine\ (s[imac]"t[-o]*s[i^]n or s[imac]"t[-o]*s[=e]n), n. (Biochemistry) A pyrimidine ( C4H5N3O) which is one of the four major basic components of DNA and RNA in most organisms, forming glyosides with ribose and deoxyribose. It is the basic component of cytidine, deoxycytidine, cytosine, cytidine monophosphate, and derivatives of those compounds.
Douglas Harper's Etymology Dictionary
Wiktionary
n. (context biochemistry English) A base, C4H5N3O, which pairs with guanine in DNA and RNA.
WordNet
n. a base found in DNA and RNA and derived from pyrimidine; pairs with guanine [syn: C]
Wikipedia
Cytosine (; C) is one of the four main bases found in DNA and RNA, along with adenine, guanine, and thymine ( uracil in RNA). It is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached (an amine group at position 4 and a keto group at position 2). The nucleoside of cytosine is cytidine. In Watson-Crick base pairing, it forms three hydrogen bonds with guanine.
Usage examples of "cytosine".
This schematic represents a portion of the nucleotidesin this case cytosine, adenine, and guaninefrom the Grayson genome.
Spiraling pairs of cytosine, guanine, adenine, and thymine: we know these are instructions for growth, for the development of life, all coded in sequences of paired elements.
The limited informational content of DNAthe four bases adenine, guanine, cytosine, and thyminedid not seem adequate to build the fantastically varied amino acid necklaces.
They represented the nucleotides adenine, thymine, guanine, and cytosine.
The toggle must have been set for DNA mode, since the buttons were displaying the Neanderthal glyphs for adenine, guanine, thymine, and cytosine.
Glutamic acid, without which ammonia accumulates in the brain and kills, dribbled along the floor while they glared, and D-ribose, and D-2-deoxyribose, adenine, guanine, uracil, cytosine, thymine and 5-methyl cytosine without which no thing higher than a trilobite can pass on its shape and meaning to its next generation.
She had used the base pairs of the DNA---combinations of pairs of four nucleotides called adenine, guanine, cytosine, and thy mine--to encode her message.
But maintenance methylase would do exactly the same thing to it, duplicating cytosine methylation on both sides, if originally present on one side.
She had used the base pairs of the DNA---combinations of pairs of four nucleotides called adenine, guanine, cytosine, and thy mine--to encode her message.
The toggle must have been set for DNA mode, since the buttons were displaying the Neanderthal glyphs for adenine, guanine, thymine, and cytosine.
In a little under sixteen weeks they tried corticosteroids, L-aspiraginase, cytosine arabinoside, massive irradiation, and mercrystate crystals, with no more success than they'd expected, which was none and negatory.
Each side of these base pairs can either be an adenine -thymine or a guanine -cytosine bond, and they can be aligned either direction, so there are four choices.
In fact, adenine, guanine, thymine, and cytosine molecules have quite different structures, and their electron density distributions as seen by a scanning probe microscope are readily distinguished by an experienced eye.