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Artwork showing nucleosomes consisting of histone proteins (orange) and DNA (deoxyribonucleic acid green and blue) by THOM LEACH SCIENCE PHOTO LI
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Artwork showing nucleosomes consisting of histone proteins (purple) and DNA (deoxyribonucleic acid mint green and yellow-green) by THOM LEACH SCI
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Nucleosome with histones and DNA illustration
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Illustration showing a nucleosome consisting of histone proteins (purple) and DNA (deoxyribonucleic acid mint green and yellow-green) by THOM LEACH
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Illustration showing a nucleosome consisting of histone proteins (orange) and DNA (deoxyribonucleic acid light and dark blue) by THOM LEACH SCIEN
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Protein-secreting cell TEM
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Protein-secreting cell TEM
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Protein-secreting cell TEM
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Nucleus and nucleolus TEM
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Erythroblast Coloured Transmission Electron Micr- ograph of a forming red blood cell (erythrocyte) from the human bone marrow This is the second sta
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Sperm chromatin structure assay
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Sperm chromatin structure assay
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Single and duplicated chromosome illustration by ALI DAMOUHSCIENCE PHOTO LIBRARY
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Crossing over illustration
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Cell cycle illustration
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Cell cycle illustration
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Cell cycle illustration by ALI DAMOUHSCIENCE PHOTO LIBRARY
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Carcinoid tumour cells light micrograph
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Reticulosarcoma Light micrograph of a lymph node in a case of reticulosarcoma a malignant (cancerous) lymphoma type The normal structure of the lym
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False-colour transmission electron micrograph (TEM) of a single human lymphocyte the smallest of the white blood cells The large central nucleus is
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Mast cell TEM
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Mast cell TEM
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Somatotroph TEM
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Somatotroph TEM
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Mast cell TEM
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Somatotroph TEM
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Illustration of a cross-sectional struct of an activated macrophage taking in bacteria (light blue) via phagocytosis Macrophages are cells of the bod
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Lymphocyte illustration
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Mitosis light micrograph
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False-colour transmission electron micrograph (TEM) of a single human lymphocyte the smallest of the white blood cells The central nucleus (orange b
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Mitosis light micrograph
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Mitosis light micrograph
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Mitosis light micrograph
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Chromatosome transcription illustration
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Chromatosome transcription illustration
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Chromatosome transcription illustration
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Chromatosome transcription illustration
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Chromatin structure illustration
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Illustration of chromatin condensing into a chromosome and decondensing back to chromatin by ALI DAMOUHSCIENCE PHOTO LIBRARY
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T-lymphocyte Coloured Transmission Electron Micrograph (TEM) of a section through a T-lympho- cyte white blood cell At centre the large dark nucleu
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Illustration of the duplication and condensation of a chromosome by ALI DAMOUHSCIENCE PHOTO LIBRARY
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Condensation of DNA (deoxyribonucleic acid) illustration At left the DNA double helix is tightly coiled around histone proteins (yellow) The histon
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Telophase illustration
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Prophase illustration
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Mitosis phases illustration
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Mitosis phases illustration
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Mitosis phases illustration
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Mitosis phases illustration
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Mitosis and meiosis illustration
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Chromosome structure Artwork of a chromosome (left) showing how it is formed from chromatids (centre) and deoxyribonucleic acid (DNA right) Humans
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Metaphase illustration
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Meiosis phases illustration
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Meiosis phases illustration
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Illustration showing anaphase the third stage of mitosis (nuclear division) At this stage the chromosomes have started to separate from each other an
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Mantle cell lymphoma light micrograph
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Mantle cell lymphoma light micrograph
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Mantle cell lymphoma light micrograph
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Mantle cell lymphoma light micrograph
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Mantle cell lymphoma light micrograph
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Cellular packaging of DNA Illustration of the packaging of deoxyribonucleic acid (DNA) around proteins called histones (yellow) The DNA winds tightl
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Mantle cell lymphoma light micrograph
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Nucleosome without histones molecular model The image shows a nucleosome the basic structural unit of DNA packaging in eukaryotes The structure of
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Nucleosome without histones molecular model The image shows a nucleosome the basic structural unit of DNA packaging in eukaryotes The structure of
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Histone methyltransferase-nucelosome complex illustration
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HeLa cell in prometaphase light micrograph
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Human cell in anaphase light micrograph
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HeLa cell in anaphase fluorescence light micrograph Chromatin is stained red and the microtubules forming the spindle are stained green The chromos
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Human cell in metaphase light micrograph
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Human cell in late prophase light micrograph
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Nucleolus and chromatin fibres Coloured high resolution scanning electron micrograph (SEM) of the nucleolus and chromatin fibres of a primordial test
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Human cell in early prophase light micrograph
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HeLa cell in telophase fluorescence light micrograph Chromatin is stained red and the microtubules forming the spindle are stained green The chromo
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Human cell in metaphase light micrograph
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HeLa cell in metaphase fluorescence light micrograph Chromatin is stained red and the microtubules forming the spindle are stained green The chromo
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HeLa cell late in cytokinesis fluorescence light micrograph Chromatin is stained red and microtubules are green The chromosomes have separated from
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Human chromosomes in early anaphase fluorescence light micrograph At this stage the chromosomes have started to separate from each other and move to
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Human chromosomes in metaphase fluorescence light micrograph The chromatin is stained red and the glue that holds the two chromatids together is h
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HeLa cell in telophase fluorescence light micrograph Chromatin is stained blue microtubules forming the spindle are stained green and kinetochores
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Nucleus in early prophase light micrograph
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Nucleolus and chromatin fibres Coloured high resolution scanning electron micrograph (SEM) of the nucleolus and chromatin fibres of a primordial test
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Human cell early in cytokinesis light micrograph
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Nucleus in late prophase light micrograph
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Nucleus in prometaphase of mitosis fluorescence light micrograph Chromosomes are stained green The chromatin has condensed but there is not yet com
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Meiosis illustration
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Meiosis illustration
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Meiosis illustration
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Meiosis illustration
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Mitosis illustration
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Mitosis illustration
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Nucleus and endoplasmic reticulum Coloured high resolution scanning electron micrograph of the nucleus and rough endoplasmic reticulum of a primordia
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Mitosis illustration
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Mitosis illustration
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Illustration of nucleosomes form the fundamental repeating units of eukaryotic chromatin They consist of a segment of DNA wound in sequence around ei
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Histone methylation molecular model
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Chromatin fibre illustration
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Cohesin with DNA loaded illustration
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Cohesin with DNA loaded illustration
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Nucleosome clutch illustration
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Nucleosome illustration
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Nucleolus and chromatin fibres Coloured high resolution scanning electron micrograph (SEM) of the nucleolus and chromatin fibres of a primordial test
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