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Proofreading01:43

Proofreading

Synthesis of new DNA molecules starts when DNA polymerase links nucleotides together in a sequence that is complementary to the template DNA strand. DNA polymerase has a higher affinity for the correct base to ensure fidelity in DNA replication. The DNA polymerase furthermore proofreads during replication, using an exonuclease domain that cuts off incorrect nucleotides from the nascent DNA strand.Errors during Replication Are Corrected by the DNA Polymerase EnzymeGenomic DNA is synthesized in...
Proofreading01:43

Proofreading

Synthesis of new DNA molecules starts when DNA polymerase links nucleotides together in a sequence that is complementary to the template DNA strand. DNA polymerase has a higher affinity for the correct base to ensure fidelity in DNA replication. The DNA polymerase furthermore proofreads during replication, using an exonuclease domain that cuts off incorrect nucleotides from the nascent DNA strand.Errors during Replication Are Corrected by the DNA Polymerase EnzymeGenomic DNA is synthesized in...
Termination of Translation01:44

Termination of Translation

The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
Termination of Translation01:44

Termination of Translation

The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
Proofreading01:31

Proofreading

Synthesis of new DNA molecules is carried out by the enzyme DNA polymerase, which adds nucleotides on the daughter strand complementary to the template DNA strand. DNA polymerase has a higher affinity to add the correct base and ensures fidelity during DNA replication. Furthermore,  it exhibits proofreading activity during replication, using an exonuclease domain that cuts off incorrect nucleotides from the nascent DNA strand.
Errors During Replication are Corrected by the DNA Polymerase Enzyme
Variance01:15

Variance

The deviations show how spread out the data are about the mean. A positive deviation occurs when the data value exceeds the mean, whereas a negative deviation occurs when the data value is less than the mean. If the deviations are added, the sum is always zero. So one cannot simply add the deviations to get the data spread. By squaring the deviations, the numbers are made positive; thus, their sum will also be positive.The standard deviation measures the spread in the same units as the data.

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相关实验视频

Updated: Jun 25, 2026

Molecular Evolution of the Tre Recombinase
12:02

Molecular Evolution of the Tre Recombinase

Published on: May 29, 2008

这就是Erratum Erratum.

    Science (New York, N.Y.)
    |October 22, 1982
    PubMed
    概括
    此摘要是机器生成的。

    这篇文章讨论了替代能源的未来,主张电力作为主要能源. 它强调了理解能源消耗趋势对于未来规划的重要性.

    科学领域:

    • 能源政策 能源政策
    • 可持续能源 可持续能源
    • 能源经济学 能源经济学

    背景情况:

    • 转向可持续能源是一个关键的全球性挑战.
    • 电力在未来的能源系统中越来越重要.
    • 准确的数据表示对于知情的能源政策讨论至关重要.

    研究的目的:

    • 倡导电力作为替代能源未来的关键组成部分.
    • 提出支持电力情况的数据.
    • 确保有关能源数据的科学沟通的清晰度和准确性.

    主要方法:

    • 对能源消耗趋势的分析.
    • 专注于人均电力消耗 (kWh).
    • 1972-1978年期间数据的图形表示.

    主要成果:

    • 图4说明了人均电力消耗的百分比增长.
    • 数据涵盖了1972年至1978年的时间段.
    • 修正后的标签澄清了图中显示的具体指标.

    结论:

    • 电力在替代能源战略中起着至关重要的作用.

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    Last Updated: Jun 25, 2026

    Molecular Evolution of the Tre Recombinase
    12:02

    Molecular Evolution of the Tre Recombinase

    Published on: May 29, 2008

    The Lambda Select cII Mutation Detection System
    07:08

    The Lambda Select cII Mutation Detection System

    Published on: April 26, 2018

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    05:46

    Correction of Presbyopia by Monocular Bi-Aspheric Ablation Profile

    Published on: September 20, 2024

  • 了解历史消费模式可以为未来的能源规划提供信息.
  • 准确的数据可视化对于能源研究中的有效沟通至关重要.