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The nematode Steinernema feltiae under the microscope, the species used as a biopesticide to infect fungus gnats in agriculture and gardening.

Dog tissue sample. Captured by a scientific microscope and Canon 5D Mark IV

Plant tissue Structure, section (tissue) of stem plant tissue under a light microscope.

orange: RNA primer; red: RNA template; light blue: proofreading riboexonuclease; mid blue: helicase; dark blue: RNA directed RNA polymerase; violet: non structural proteins (NSPs).

Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.

Dna structure on science background. 3d illustration

$Abs Virus - 3d rendered image like colorized scanning electron micrograph. Scene showing virus (yellow) emerging from infected cell.\nConcept of coronavirus that’s causing a global pandemic. Covid-19, Sars-cov-2 alpha, betta, gamma, delta, lambda variant, 2019-nCoV, Coronavirus.\nSEM, TEM, hologram view.$

Microalgae under microscopic view, green algae, cyanobacteria, phytoplankton, diatom, algae mix collage background

Solid-pseudopapillary neoplasm. Site: pancreas. Solid pseudopapillary neoplasm of the pancreas is considered to be a low-grade malignant tumour. The tumour has been identified by a number of synonyms, including Frantz's tumour, solid and cystic acinar tumour, papillary epithelial neoplasm, and solid and papillary epithelial tumour or neoplasm.

After dopamine binding, the dopamine receptor changes his shape and binds the inactive G protein.The G protein expels its GDP molecule replacing it by GTP. and falls into two pieces. The Galpha subunit binds to and activates the enzyme adenylyl cyclase, which produces then cyclic AMP spreading a signal through the cell.

$plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background$

Background of mold in the wood of the house.

Photomicrograph of filamentous blue-green algae, Oscillatoria species. Each band along the stand is one cell. This filament is very short probably having recently parted from a longer one. Filaments are typically many times longer. This algae is mobile, it moves and twists through the water. San Francisco Bay, California, USA. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live specimen, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

Cross section leaf of plant under the light microscope view for botany education.

Bacteria pathogen - 3d rendered microbiology image. Illustrate of Lactobacillus Bulgaricus Bacteria, Microbacterium Tuberculosis Bacteria (MTB). Medical research, health-care concept. SEM (TEM) scanning view

Diatoms, algae under microscopic view, phytoplankton, fossils, silica, golden yellow algae

$The Raf/MEK/ERK (MAPK) propagates growth signals in the cell. Misregulation can lead to cancer.\nThe red dots on the active EGFR are phosphorylated tyrosines. PDB entries: 1egf, 1nql, 1m17, 2jwa, 3njp, 2gs6, 1gri, 1xd2, 3ksy, 5p21, 6xi7, 6q0j, 2y4i,$

Squash preparation of stained onion root tip cells showing late telophase and metaphase stages of mitosis. Bright field illumination on a Leica microscope, Image taken with the X100 objective lens. Depth of focus is extremely shallow (less than one micron). Optimum setting of the aperture for maximum resolution and good contrast. Chromatic aberation is inevitable in light microscopy, especially at this scale of magnification, but has been kept to a minimum in this image.

Thyroid cancer: Microscopic image of Metastatic papillary carcinoma of thyroid. Reactive change. Lymph node carcinoma.

Photomicrograph of rotifer. Rapidly rotating cilia at top of head, internal organs visible. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.

anaplastic thyroid carcinoma with heterologous differentiation (leiomyosarcoma)

Freshwater Closterium algae (unicellular charophyte green algae) - optical microscope x200 magnification

Characteristics of Rhizopus is a genus of common saprophytic fungi on Slide under the microscope for education.

Molecular structure formula. Concept. 3D Render

$The angiotensin converting enzyme 2 (ACE2, blue) in complex with the amino acid transporter BOAT 1 (violet). ACE2 is involved in control of blood pressure and is the target for the SARS-CoV-2 virus to infect human cells..\$

Yeast cells - 3d rendered image SEM (scanning electron micrograph) view of cells of brewer's yeast (Saccharomyces cerevisiae). It is used in the production of beer, wine and bread.

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