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Related Concept Videos

Proofreading01:43

Proofreading

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Proofreading01:31

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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.
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Clot Retraction and Fibrinolysis01:16

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After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
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Mismatch Repair01:36

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Organisms are capable of detecting and fixing nucleotide mismatches that occur during DNA replication. This sophisticated process requires identifying the new strand and replacing the erroneous bases with correct nucleotides. Mismatch repair is coordinated by many proteins in both prokaryotes and eukaryotes.
The Mutator Protein Family Plays a Key Role in DNA Mismatch Repair
The human genome has more than 3 billion base pairs of DNA per cell. Prior to cell division, that vast amount of genetic...
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Repressible Operon: trp Operon01:21

Repressible Operon: trp Operon

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The trp operon in Escherichia coli exemplifies a repressible operon. It regulates the synthesis of tryptophan through repressor-mediated transcriptional control and attenuation. This dual regulatory mechanism ensures tryptophan biosynthesis occurs only when needed, conserving cellular resources.Structure of the trp OperonThe trp operon consists of five structural genes (trpE, trpD, trpC, trpB, and trpA) that encode enzymes for tryptophan biosynthesis. These genes are transcribed as a single...
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Related Experiment Video

Updated: Oct 26, 2025

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy
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Erratum.

Young-Gun Lee1, Seun Jeon2, Sung Woo Kang1

  • 1Department of Neurology Yonsei University College of Medicine Seoul Republic of Korea.

Alzheimer'S & Dementia (Amsterdam, Netherlands)
|August 2, 2021
PubMed
Summary

This study corrects a previously published article DOI. The correction ensures accurate citation and referencing for future research in the field.

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Area of Science:

  • Bibliometrics
  • Scientific Publishing

Context:

  • Accurate citation is crucial for scientific integrity.
  • Digital Object Identifiers (DOIs) are essential for locating research articles.

Purpose:

  • To correct an error in the Digital Object Identifier (DOI) of a published article.
  • To ensure proper attribution and discoverability of the research.

Summary:

  • The article DOI: 10.1002/dad2.12177 has been corrected.
  • This correction rectifies a typographical error in the original publication's identifier.

Impact:

  • Ensures researchers can accurately access and cite the intended article.
  • Maintains the integrity of scientific literature and citation networks.