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Related Concept Videos

The Nucleus01:32

The Nucleus

The nucleus is a membrane-bound organelle that acts as a control center in a eukaryotic cell. It contains chromosomal DNA, which controls gene expression and precisely regulates the production of proteins within the cell. In contrast, the DNA inside the mitochondria and chloroplast only carries out functions that are specific to those organelles.
Arrangement of DNA within Nucleus
The regulation of gene expression inside the nucleus is dependent on many factors, including the DNA structure. The...
The Nucleus01:25

The Nucleus

The nucleus is a membrane-bound organelle that acts as a control center in a eukaryotic cell. It contains chromosomal DNA, which controls gene expression and precisely regulates the production of proteins within the cell. In contrast, the DNA inside the mitochondria and chloroplast only carries out functions that are specific to those organelles.
Arrangement of DNA within Nucleus
The regulation of gene expression inside the nucleus is dependent on many factors, including the DNA structure. The...
The Nucleus01:25

The Nucleus

The nucleus is a membrane-bound organelle that acts as a control center in a eukaryotic cell. It contains chromosomal DNA, which controls gene expression and precisely regulates the production of proteins within the cell. In contrast, the DNA inside the mitochondria and chloroplast only carries out functions that are specific to those organelles.
Arrangement of DNA within Nucleus
The regulation of gene expression inside the nucleus is dependent on many factors, including the DNA structure. The...
Eukaryotic Compartmentalization01:37

Eukaryotic Compartmentalization

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Eukaryotic Compartmentalizations01:46

Eukaryotic Compartmentalizations

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...
Eukaryotic Compartmentalization01:46

Eukaryotic Compartmentalization

One of the distinguishing features of eukaryotic cells is that they contain membrane-bound organelles, such as the nucleus and mitochondria, that carry out specialized functions. Since biological membranes are only selectively permeable to solutes, they help create a compartment with controlled conditions inside an organelle. These microenvironments are tailored to the organelle's specific functions and help isolate them from the surrounding cytosol.
For example, lysosomes in the animal cells...

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Related Experiment Video

Updated: Jun 14, 2026

Single-Molecule Imaging of Nuclear Transport
12:13

Single-Molecule Imaging of Nuclear Transport

Published on: June 9, 2010

The nuclear envelope.

Martin W Hetzer1

  • 1Salk Institute for Biological Studies, Molecular and Cell Biology Laboratory, La Jolla, California 92037, USA. hetzer@salk.edu

Cold Spring Harbor Perspectives in Biology
|March 20, 2010
PubMed
Summary
This summary is machine-generated.

The nuclear envelope (NE), a key cellular barrier, dynamically remodels during the cell cycle. Understanding NE dynamics is crucial for cell division and gene regulation in eukaryotic cells.

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Last Updated: Jun 14, 2026

Single-Molecule Imaging of Nuclear Transport
12:13

Single-Molecule Imaging of Nuclear Transport

Published on: June 9, 2010

Validation of a Mouse Model to Disrupt LINC Complexes in a Cell-specific Manner
09:02

Validation of a Mouse Model to Disrupt LINC Complexes in a Cell-specific Manner

Published on: December 10, 2015

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Genetics

Background:

  • The nuclear envelope (NE) is a critical membrane barrier in eukaryotic cells, regulating nuclear-cytoplasmic transport.
  • NE proteins are involved in chromatin organization and gene regulation.
  • NE disassembly during mitosis is essential for cell division.

Purpose of the Study:

  • To summarize the current understanding of nuclear envelope remodeling throughout the cell cycle.
  • To highlight the dynamic nature of the NE during cell division.

Main Methods:

  • Literature review of studies on nuclear envelope dynamics.
  • Analysis of protein functions in NE assembly and disassembly.
  • Cell cycle progression studies.

Main Results:

  • The NE undergoes significant dynamic changes during the cell cycle, particularly during mitosis.
  • Specific proteins facilitate NE breakdown and reassembly.
  • NE remodeling is tightly regulated to ensure proper cell division.

Conclusions:

  • Dynamic remodeling of the nuclear envelope is essential for eukaryotic cell division.
  • Further research into NE proteins and their regulation can provide insights into gene expression and disease.