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Cell nucleus, SEM
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Cell nucleus, SEM
Cell nucleus. Coloured scanning electron micrograph (SEM) of a section through the nucleus (centre right) of a kidney cell. The cell nucleus contains the cells genetic information in the form of DNA (deoxyribonucleic acid). Here the DNA is complexed with proteins to form chromatin (light brown structures). Surrounding the nucleus are mitochondria (ovoids), which supply the cell with energy
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6302919
© DR DAVID FURNESS, KEELE UNIVERSITY/SCIENCE PHOTO LIBRARY
Cell Biology Chromatin Cross Section Cytology Cytoplasm Energy False Colour Genetic Information Kidney Mitochondrion Nucleus Organelle Renal Structures Deoxyribonucleic Acid False Coloured Section Sectioned
EDITORS COMMENTS
This print showcases the intricate beauty of a cell nucleus, captured through a scanning electron microscope (SEM). At the center-right of the image, we are drawn to the nucleus of a kidney cell. This vital organelle houses the genetic information that defines and directs cellular functions - DNA or deoxyribonucleic acid. The DNA within this nucleus is not alone; it forms complex structures with proteins known as chromatin, which appear as light brown formations. These chromatin structures play a crucial role in regulating gene expression and maintaining genomic stability. Surrounding the nucleus, we observe mitochondria – ovoid-shaped powerhouses responsible for supplying energy to the cell. Their presence emphasizes their significance in sustaining cellular activities and ensuring proper functioning. Through this false-colored SEM image, we gain insight into both structure and function at an incredibly detailed level. It serves as a reminder of how biology unravels its secrets through microscopic exploration. This mesmerizing snapshot delves into various aspects of cellular biology: from cross-sections to genetic information storage; from energy supply mechanisms to intricate protein-DNA complexes. Science Photo Library has once again provided us with an awe-inspiring glimpse into nature's wonders at its most fundamental level.
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