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Nuclear pore complexes, SEM
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Nuclear pore complexes, SEM
Nuclear pore complexes. Coloured scanning electron micrograph (SEM) of the surface of a cell nucleus showing the numerous nuclear pore complexes (NPCs, rings) in its envelope. All material moving between the nucleus and the cytoplasm passes through these channels. They allow passive transport (diffusion) of ions and small molecules and active transport (energy dependent) of proteins and RNAs (ribonucleic acids)
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Media ID 6307033
© SCIENCE PHOTO LIBRARY
Active Transport Cell Biology Channel Channels Complexes Cytology False Colour Nuclear Envelope Nuclear Pore Complex Pores Selective Transport Structures Transport Transportation False Coloured
EDITORS COMMENTS
This print showcases the intricate world of nuclear pore complexes (NPCs) through a false-colored scanning electron micrograph. The surface of a cell nucleus is beautifully depicted, revealing numerous NPCs in its envelope. These ring-like structures play an essential role in regulating the transportation of materials between the nucleus and cytoplasm. The channels formed by these NPCs serve as gatekeepers for all substances passing through them. They enable both passive transport, allowing ions and small molecules to diffuse freely, and active transport that relies on energy expenditure for proteins and RNAs to traverse across. With their selective transport mechanisms, these NPC structures are vital for maintaining cellular homeostasis. This image highlights their significance in biological processes such as signal transduction, gene expression regulation, and protein synthesis. Through the lens of a scanning electron microscope (SEM), this print offers a glimpse into the complex inner workings of cells. Its vibrant colors enhance our understanding of this microscopic realm while emphasizing the beauty found within scientific exploration. This incredible photograph from Science Photo Library serves as a testament to the wonders of cell biology and cytology research. It reminds us that even at such minuscule scales, there is immense complexity waiting to be discovered.
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