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单词 Nucleotide sequence
释义

Nucleotide sequence

原声例句
生物学基础入门

In the ribosome, the nucleotide sequence of the mRNA is translated by the tRNA which carry the related amino acids.

在核糖体中,mRNA 的核苷酸序列由携带相关氨基酸的 tRNA 翻译。

Osmosis-遗传

Our 46 chromosomes come in 23 pairs of two homologous chromosomes, which code for the same traits and therefore have similar nucleotide sequences.

我们的46条染色体由23对同源染色体组成;同源染色体编码相同性状,因此具有相似的核苷酸序列。

Osmosis-遗传

Now on a molecular level, DNA is made up of two strands of nucleotides, so each gene is just a segment of this nucleotide sequence.

在分子水平上,DNA由两条核苷酸链组成,每个基因仅是该核苷酸序列的一小段。

Osmosis-遗传

So now End 1 is placed near a similar nucleotide sequence, called the homologous sequence, because it's found in the same spot on the homologous sister chromatid.

现在End 1位于一段相似核苷酸序列附近;这段序列被称为同源序列,位于同源姐妹染色单体上的相同位点。

Osmosis-遗传

RNA is complimentary to DNA though, so if an RNA strand has a nucleotide sequence 3' - A A G U C C A G U - 5', then the complimentary DNA or cDNA would be 5' - T T C A G G T C A - 3'.

但RNA与DNA之间互补,所以如果一条RNA链拥有如下核苷酸序列:3' - A A G U C C A G U - 5',那么与之互补的DNA便是5' - T T C A G G T C A - 3'。

中文百科

核酸串行 Nucleic acid sequence

(重定向自Nucleotide sequence)
部分DNA串行
Electroferograma de un secuenciador automatizado mostrando parte de una secuencia de ADN.
A series of codons in part of a mRNA molecule. Each codon consists of three nucleotides, usually representing a single amino acid.
Chemical structure of RNA

核酸串行英语:Nucleic acid sequence,亦称为核酸的一级结构)使用一串字母表示的真实的或者假设的携带基因信息的DNA分子的一级结构。每个字母代表一种核碱基,两个碱基形成一个碱基对,碱基对的配对规律是固定的,A-T,C-G。三个相邻的碱基对形成一个密码子。一种密码子对应一种氨基酸,不同的氨基酸合成不同的蛋白质。在DNA的复制及蛋白质的合成过程中,碱基配对规律是十分关键的。

可能的字母只有A, C, GT,分别代表组成DNA的四种核苷酸-腺嘌呤,胞嘧啶,鸟嘌呤,胸腺嘧啶。典型的他们无间隔的排列在一起,例如串行AAAGTCTGAC。任意长度大于4的一串核苷酸被称作一个串行。 关于它的生物功能,则依赖于上下文的串行,一个串行可能被正读,反读;包含编码 或者无编码。DNA串行也可能包含非编码DNA。

英语百科

Nucleic acid sequence 核酸序列

(重定向自Nucleotide sequence)
A series of codons in part of a mRNA molecule. Each codon consists of three nucleotides, usually representing a single amino acid.
Chemical structure of RNA
A depiction of the genetic code, by which the information contained in nucleic acids are translated into amino acid sequences in proteins.
Electropherogram printout from automated sequencer for determining part of a DNA sequence

A nucleic acid sequence is a succession of letters that indicate the order of nucleotides within a DNA (using GACT) or RNA (GACU) molecule. By convention, sequences are usually presented from the 5' end to the 3' end. For DNA, the sense strand is used. Because nucleic acids are normally linear (unbranched) polymers, specifying the sequence is equivalent to defining the covalent structure of the entire molecule. For this reason, the nucleic acid sequence is also termed the primary structure.

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更新时间:2025/6/20 17:38:58