Eukaryotic Collection (page 6)

Cilium and flagellum structure, artwork. Cilia and flagella (collectively known as undulipodia) are hair-like protrusions from a cell membrane

Eukaryotic flagellum structure, artwork
Eukaryotic flagellum structure. Cutaway artwork showing the internal structure of the flagellum in eukaryotic cells. Flagella are tail-like projections used for cell locomotion

Mitochondrion, artwork
Mitochondrion. Cutaway artwork showing the internal structure of a mitochondrion. This structure, found in eukaryotic cells, is the site of energy production

Animal cell processes, artwork
Animal cell processes. Cutaway artwork showing the structures inside an animal cell and four different processes that take place inside it or on its membrane (all marked by magnifying glasses)

RNA binding protein and mRNA complex. Computer model showing the molecular structure of Poly(A)-binding protein (PABP, orange-green) bound to a polyadenylate mRNA (messenger RNA)

Mitochondrial energy, conceptual image. Computer artwork of a glowing mitochondrion, representing the energy produced by these cell organelles

Plant cell, SEM
Plant cell. Coloured scanning electron micrograph (SEM) of a section through a plant cell, revealing its internal structure. The cell is encased in a cellulose, hemicellulose and pectin cell wall

Mitochondrion, SEM
Mitochondrion. Coloured scanning electron micrograph (SEM) of a mitochondrion in a nerve cell. Mitochondria are a type of organelle found in the cytoplasm of eukaryotic cells

Smooth endoplasmic reticulum, SEM
Endoplasmic reticulum. Coloured scanning electron micrograph (SEM) of smooth endoplasmic reticulum (SER) (orange, centre left) in the cytoplasm of a kidney cell

Selection of diatoms, SEM
Selection of diatoms, coloured scanning electron micrograph (SEM). Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species

Coscinodiscus diatom, SEM
Coscinodiscus diatom. Coloured scanning electron micrograph (SEM) of a Coscinodiscus diatom (red). This is a marine diatom

Larch bolete fungus (Suillus grevillei). Photographed in Aberdeenshire, Scotland, UK, in August

Silicoflagellate, SEM
Silicoflagellate. Coloured scanning electron micrograph (SEM) of the skeleton of a Dictyocha speculum silicoflagellate. Silicoflagellates are single-celled marine algae

Single stranded DNA-binding protein (SSBP). Molecular model showing the secondary and tertiary structures of a protein that binds to the single stranded DNA (deoxyribonucleic acid)

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Eukaryotic organisms encompass a vast array of life forms, ranging from the microscopic to the towering kelp forests in our oceans. Take a closer look at these captivating hints that showcase the diversity and complexity of eukaryotes. Starting with budding yeast cells, we witness their remarkable ability to reproduce through cell division. Under the scanning electron microscope (SEM), dividing yeast cells reveal intricate structures and processes that contribute to their survival and proliferation. Moving on to pressed seaweed specimens, such as Dictyota dichotoma and Fucus bulbosus, we explore the fascinating world of marine algae. These eukaryotic organisms play crucial roles in ocean ecosystems by providing shelter for countless other species while also contributing to nutrient cycling. Delving deeper into microscopic wonders, we encounter Diatoms under SEM. These single-celled eukaryotes exhibit stunning geometric patterns on their silica-based shells. Their ecological significance cannot be overstated as they are responsible for a significant portion of Earth's oxygen production. Another mesmerizing microorganism is Discosphaera tubifera, commonly known as coccolithophore. These tiny calcifying algae adorn themselves with intricately sculpted calcium carbonate plates called coccoliths. Their presence can create breathtaking blooms visible from space. Shifting gears towards Plasmodium sp. , an insidious malarial parasite that infects human red blood cells, we confront one of the darker aspects lifeforms. This reminder highlights how even within this kingdom there exists both beauty and danger. To round out our exploration, let's not forget about majestic kelps like Fucus radiatus. These large brown algae form underwater forests teeming with biodiversity while serving as vital carbon sinks in our changing climate. Finally, artistic renditions depicting various cell types remind us that behind every scientific discovery lies creativity and imagination – essential tools for unraveling nature's mysteries.