Definition of cytosine in English:

cytosine

noun ˈsʌɪtəsiːnˈsaɪdəˌsin

mass nounBiochemistry

A compound found in living tissue as a constituent base of DNA. It is paired with guanine in double-stranded DNA.
〔生化〕胞嘧啶
A pyrimidine derivative; chemical formula: C₄H₅N₃O
Example sentencesExamples
- During DNA replication, DNA polymerase incorporates unmethylated cytosine opposite to guanine, leading to an overall reduction in methylation of DNA.
- Isochores were defined as long genomic segments that are fairly homogeneous in their guanine and cytosine composition.
- The derivatives of purine are called adenine and guanine, and the derivatives of pyrimidine are called thymine, cytosine and uracil.
- In DNA the bases pair to form a ladder-like structure, with adenine paired with thymine and guanine with cytosine.
- The nitrogen-containing units are the bases: adenine, cytosine, guanine, and uracil.

Definition of cytosine in US English:

cytosine

nounˈsaɪdəˌsinˈsīdəˌsēn

Biochemistry

A compound found in living tissue as a constituent base of nucleic acids. It is paired with guanine in double-stranded DNA.
〔生化〕胞嘧啶
A pyrimidine derivative; chemical formula: C₄H₅N₃O
Example sentencesExamples
- The nitrogen-containing units are the bases: adenine, cytosine, guanine, and uracil.
- During DNA replication, DNA polymerase incorporates unmethylated cytosine opposite to guanine, leading to an overall reduction in methylation of DNA.
- In DNA the bases pair to form a ladder-like structure, with adenine paired with thymine and guanine with cytosine.
- Isochores were defined as long genomic segments that are fairly homogeneous in their guanine and cytosine composition.
- The derivatives of purine are called adenine and guanine, and the derivatives of pyrimidine are called thymine, cytosine and uracil.

词汇	cytosine
释义	Definition of cytosine in English: cytosine noun ˈsʌɪtəsiːnˈsaɪdəˌsin mass nounBiochemistry A compound found in living tissue as a constituent base of DNA. It is paired with guanine in double-stranded DNA. 〔生化〕胞嘧啶 A pyrimidine derivative; chemical formula: C₄H₅N₃O Example sentencesExamples During DNA replication, DNA polymerase incorporates unmethylated cytosine opposite to guanine, leading to an overall reduction in methylation of DNA. Isochores were defined as long genomic segments that are fairly homogeneous in their guanine and cytosine composition. The derivatives of purine are called adenine and guanine, and the derivatives of pyrimidine are called thymine, cytosine and uracil. In DNA the bases pair to form a ladder-like structure, with adenine paired with thymine and guanine with cytosine. The nitrogen-containing units are the bases: adenine, cytosine, guanine, and uracil. Definition of cytosine in US English: cytosine nounˈsaɪdəˌsinˈsīdəˌsēn Biochemistry A compound found in living tissue as a constituent base of nucleic acids. It is paired with guanine in double-stranded DNA. 〔生化〕胞嘧啶 A pyrimidine derivative; chemical formula: C₄H₅N₃O Example sentencesExamples The nitrogen-containing units are the bases: adenine, cytosine, guanine, and uracil. During DNA replication, DNA polymerase incorporates unmethylated cytosine opposite to guanine, leading to an overall reduction in methylation of DNA. In DNA the bases pair to form a ladder-like structure, with adenine paired with thymine and guanine with cytosine. Isochores were defined as long genomic segments that are fairly homogeneous in their guanine and cytosine composition. The derivatives of purine are called adenine and guanine, and the derivatives of pyrimidine are called thymine, cytosine and uracil.
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