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Related Concept Videos

Social Exchange Theory02:06

Social Exchange Theory

We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
Leaving Groups02:14

Leaving Groups

The nature of leaving groups strongly influences the outcome of a nucleophilic substitution reaction.
In general, in a nucleophilic substitution reaction, a nucleophile displaces a functional group, called the leaving group, from the substrate to give a substituted product. A leaving group departs the substrate molecule through heterolytic cleavage, taking the pair of electrons with it to become a relatively stable weak base in the form of an anion or a neutral molecule.  
In a nucleophilic...
Separation of Sister Chromatids02:17

Separation of Sister Chromatids

At the transition from prophase to metaphase, there is a reduction in cohesion along the chromosomal arms, resulting in the resolution of sister chromatids. However, residual cohesin connections remain to hold the sister chromatids together until the transition from metaphase to anaphase. The residual connection prevents any premature separation of sister chromatids, blocking the risks of aneuploidy within the daughter cells.
At the onset of anaphase, separase, a proteolytic enzyme, is...
Separation of Sister Chromatids02:17

Separation of Sister Chromatids

At the transition from prophase to metaphase, there is a reduction in cohesion along the chromosomal arms, resulting in the resolution of sister chromatids. However, residual cohesin connections remain to hold the sister chromatids together until the transition from metaphase to anaphase. The residual connection prevents any premature separation of sister chromatids, blocking the risks of aneuploidy within the daughter cells.
At the onset of anaphase, separase, a proteolytic enzyme, is...
Social Exchange Theory01:26

Social Exchange Theory

As formulated by John Thibaut and Harold Kelley, Social Exchange Theory explains human relationships as economic-like exchanges that maximize rewards and minimize costs. This theory suggests that individuals engage in relationships to gain benefits and reduce burdens, similar to economic transactions. It has been widely applied to various types of relationships, including romantic, professional, and social interactions.Rewards and Costs in RelationshipsRelationship rewards include emotional...
Ending Relationships01:28

Ending Relationships

The dissolution of intimate relationships presents complex emotional and psychological challenges, particularly when emotional bonds are strong, the relationship is long-standing, and perceived alternatives are limited. This distress often intensifies in romantic breakups, where the initiator may experience greater turmoil than the rejected partner. Contributing factors include residual attachment, guilt over causing pain, and uncertainty about how to manage the situation. The stress is further...

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Related Experiment Video

Updated: May 10, 2026

Detection of DNA Breaks in Dividing Human Cells by Neutral Comet Assay
05:55

Detection of DNA Breaks in Dividing Human Cells by Neutral Comet Assay

Published on: August 23, 2024

Breaking up just got easier to do.

Hannah L Klein1, Lorraine S Symington

  • 1Department of Biochemistry, New York University Langone Medical Center, 550 First Avenue, New York, NY 10016, USA. hannah.klein@nyumc.org

Cell
|July 15, 2009
PubMed
Summary

The human SLX4 protein acts as a scaffold for enzymes. It works with SLX1 endonuclease to resolve complex DNA structures called Holliday junctions.

Area of Science:

  • Molecular biology
  • Genetics
  • DNA repair

Background:

  • The SLX4 protein is known to scaffold catalytic subunits of structure-specific endonucleases.
  • Previous studies have implicated SLX4 in various DNA repair pathways.

Discussion:

  • Recent findings identify the human SLX4 protein and elucidate its role in DNA structure resolution.
  • SLX4, in conjunction with the SLX1 endonuclease, is shown to mediate the symmetric cleavage of Holliday junctions.

Key Insights:

  • Human SLX4 protein identified as a key component in resolving Holliday junctions.
  • SLX4 and SLX1 endonuclease complex performs symmetric cleavage, crucial for DNA integrity.
  • This mechanism is vital for maintaining genomic stability and preventing disease.

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Covalent Fragment Screening Using the Quantitative Irreversible Tethering Assay
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Covalent Fragment Screening Using the Quantitative Irreversible Tethering Assay

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Separation of Avian Preovulatory Follicle Granulosa and Theca Cell Layers for Downstream Applications
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Separation of Avian Preovulatory Follicle Granulosa and Theca Cell Layers for Downstream Applications

Published on: October 25, 2024

Related Experiment Videos

Last Updated: May 10, 2026

Detection of DNA Breaks in Dividing Human Cells by Neutral Comet Assay
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Detection of DNA Breaks in Dividing Human Cells by Neutral Comet Assay

Published on: August 23, 2024

Covalent Fragment Screening Using the Quantitative Irreversible Tethering Assay
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Covalent Fragment Screening Using the Quantitative Irreversible Tethering Assay

Published on: February 28, 2025

Separation of Avian Preovulatory Follicle Granulosa and Theca Cell Layers for Downstream Applications
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Separation of Avian Preovulatory Follicle Granulosa and Theca Cell Layers for Downstream Applications

Published on: October 25, 2024

Outlook:

  • Further research into SLX4 function could reveal new therapeutic targets for genetic disorders.
  • Understanding SLX4-mediated resolution of Holliday junctions may advance cancer treatment strategies.
  • Investigating interactions with other nucleases could uncover novel DNA repair pathways.