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A ribbons + ball-and-stick model of a molecule of Human Leptin, a hormone produced by body fat. Normally, the amount of leptin in the body is proportional to the amount of fat. Leptin reduces appetite and the absence of leptin results in increased food intake and obesity.
Science background with molecule or atom
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 \
Oatmeal, Breakfast Cereal, Granola, Cereal Plant, Oats - Food
3d rendering of benzene molecules conjugated gold (Au) nanoparticles (NPs) on the black background
Preserving fruits with dehydrator. Dried fruits in a bowl.
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.
Cross-section Dicot, Monocot and Root of Plant Stem under the microscope for classroom education.
Photo of uncooked food for breakfast - muesli
Old orange and black scuffed damaged marbled paper, Original over 150+ years old
Ferritin is an intracellular protein that stores iron an releases it when required. Iron enters plant ferritin through the hydrophilic 4-fold channel. Source: PDB entry 5yi5
Full frame of peeled walnuts. Fresh and nutritious walnuts.
Medicines or dietary supplements in capsules on a calendar sheet. Pill schedule
Various cereals and granola mix
Phenylalanine hydroxylase (PAH) (EC 1.14.16.1) is an enzyme that catalyzes the hydroxylation of the aromatic side-chain of phenylalanine to generate tyrosine. 3D cartoon and Gaussian surface models, chain id color scheme, based on PDB 2pah, white background.
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.
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
Fresh white grapes and dried white grapes or raisins in a bowl. View from above
Walnuts. Walnut kernels on dark stone table. Top view.
A molecular model of the flavonoid Quercetin.  An antioxidant and anti-inflamatory, it is used as a nutritional suplement.  It is commonly found in many fruits and vegetables and is a significant chemical component of tea.  Isolated on white.
mountains seen from Sass Pordoi in the Italian Dolomites and it almost looks like a lunar landscape without vegetation at over 3000 meters above sea level
Delicious cereal mix!
3D cartoon and Gaussian surface models in perpendicular projections. PDB 3w9t, chain id color scheme, white background.
Geometric composition of abstract design object
A bowl and a pile of peeled walnut kernels. Close-up. Low angle view.
Surface photography of nature pattern Crystal shot for background.
Protein cages are used as protective containers for delivering medically useful cargoes to cells. Source: PDB entry 7LIS
3D rendering of microscopic particles and bubbles
Sea lettuce isolated on white background
chinese medicine allium macrostemon Scallions white on black background
Free Images: "bestof:DeLaSalleSecondarySchoolNT.jpg 位於金錢� �口的新界喇沙中學 own Self took photo 2006-10-28 Chong Fat zh Chinese Wikipedia Chong Fat Resizes by ACDSee"
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