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Cross-section Dicot, Monocot and Root of Plant Stem under the microscope for classroom education.

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

$Wet rough asphalt black bitumen road pavement surface abstract grunge texture close-up top view background banner.\nBitumen is a sticky, black, highly viscous liquid or semi-solid form of petroleum. In the U.S., it is commonly referred to as asphalt. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term asphaltum was also used.\nTarmacadam is a road surfacing material made by combining crushed stone, sand, and tar. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces. The terms \$

Endosomes - 3d rendered image of Endosomes are membrane-bound organelles. They are parts of endocytic membrane transport pathway. Endomembrane system in cells. Bilayer Lipid Membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.

This is a photograph drawn with a sharpie of a football play consisting of X's and O's. It is isolated on a pure white background.Click on the links below to view lightboxes.

bubbles look like scientific image of cell and cell membrane

Host cells with spores (mold) are inside wood under the microscope for education.

Old orange and black scuffed damaged marbled paper, Original over 150+ years old

Transmission electron microscope (TEM) micrograph showing dark melanin granules in a melanocyte (top center) and in several keratinocytes, which, unlike melanocytes, have bundles of keratin filaments

Abstract background Organic Form - 3d rendered image of glass structure, optical technology, nano electrical wave, dispersion colorful rainbow. Organic shapes and form. Science fiction or organic technology concept.

plant rape flower cross section under light mircoscope with white background

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.

Water bottle with micro plastic concept of water plastic pollution and global warming with text

Characteristics of fungi living in wood as a group, are polyphyletic under the microscope for education.

Coloured transmission electron micrograph (TEM) of a small arteriole showing, from lumen: endothelium (magenta), discontinuous internal elastic lamina (blue), cross-sectioned smooth muscle fibers (cytoplasm, red, nucleus, light yellow) and connective tissue of adventitia (green).

A blue and yellow marble fluid ink pour texture

Geometric composition of abstract design object

Abstract pattern of an 19th-century book structure.

Photomicrograph of group of single-celled

The study of plant tissues under the microscope in the laboratory.

Surface photography of nature pattern Crystal shot for background.

close up of a pencil drawing on white background

Overhead aerial drone view of oyster farm racks at low tide, flying at a low altitude to be able to see the detail of the oyster racks and seaweed. Located in a tidal estuary in Sutherland, Scotland. the low tides enable workers to access the racks for turning the oysters as they grow. Oysters have been farmed for many hundreds of years using this method. Seaweed has grown around the metal lines of racks.

Microscope photo of the cells from a young broad bean steam (Vicia faba).

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Turgor pressure on plant cells diagram (zh-cn).svg

UNI Air ATR 72-600 B-17006 Landing Down Taipei Songshan Airport 20140105.JPG