Fig. 17-3 DNA TRANSCRIPTION mRNA Ribosome TRANSLATION Polypeptide (a) Bacterial cell Nuclear envelope DNA TRANSCRIPTION Pre-mRNA RNA PROCESSING Figure 17.3 Overview: the roles of transcription and translation in the flow of genetic information mRNA TRANSLATION Ribosome Polypeptide (b) Eukaryotic cell The...
第三章 DNA复制、转录和翻译.ppt,第二章 DNA的复制、转录及翻译 Replication, transcription and translation of DNA 1.1 复制子 (replicon) 从每个复制起始点到复制终点的区域,能独立进行复制的单位。 原核生物:单一复制子 真核生物:多个复制子, 1.2 DNA复制的方向和
Protein Creation DNA holds the instructions for making proteins Proteins do the cell’s work Two steps required for protein synthesis (creation) TRANSCRIPTION TRANSLATION Transcription TRANSCRIPTION is the process by which a DNA gene is “rewritten” into RNA Transcription A gene is only a segment of...
蛋白质的生物合成(翻译)Protein Biosynthesis,Translation cdc5, a dna binding protein, positively regulates posttranscriptional processing andor transcription of primary microrna transcripts:并且,一种dna结合蛋白,调节初级mirna转录或转录的转录后加工 DNA-PROTEIN CROSS-LINKING BY BIFUNCTIONAL DNA ALKYLATING AGENTS ...
DNA Transcription (DNA To RNA) DNA转录(DNA到RNA)|细胞生物学 创元素 207 0 地理是玄学?用逻辑的利刃轻松瓦解难题! 正确的方法,加上刻意的练习,让付出的时间,看得到回报。 四川大学-细胞生物学(国家级精品课) 三十万个冷笑话 847 0 生物专家检测了10万人的DNA,这种饮食方式会要你的命!——The Diar...
Cis-acting elements (顺式作用元件) and Trans-acting factors(反式作用因子). Enhancer, silencer & insulator mRNAs are mostly monocistronic (单顺反子) Genes controlled by positive control - off unless activators are present In eukaryotes, transcription and translation occur in ...
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DNAandRNA DNAReplication DNAReplication:TheprocessofdoublingthequantityofDNA.•template:originalstrand•materials:free-floatingnucleotide(核苷)•enzyme:helicase(解旋酶)，DNApolymerase（DNA合成酶）•site:nucleus DNAandRNA DNAReplication Semi-conservativereplication(半保留复制):---thetwoDNAmoleculesare...
In this lesson, you'll learn about the roles of DNA, mRNA, tRNA, and ribosomes in protein formation. We'll provide an overview of the processes of transcription and translation in protein formation. The Journey from Gene to Protein
genes that code for ribosomal RNA, transfer RNA, or other small RNAs, in which the transcription product is used directly; and regulatory sites that are not transcribed but serve as recognition sequences for proteins involved in deoxyribonucleic acid ( DNA) replication, transcription, and repair. ...