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A ball and stick + ribbons model of human Interleukin 2 or IL-2. Interleukin is a hormone which acts as a signalling molecule for the immune system.
South Korea Flag Button with Two Letter Country ISO Code 3D Illustration
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
Yellow Chana Dal or Split Gram Lentils or Pulses as ingredients toward Indian and South Asian Cuisine
DNA with biology and chemical concept, 3d rendering. Digital drawing.
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A ball-and-stick molecular model of the hormone Orexin, also known as Hypocretin.  Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease.  Isolated on white.
A bone shape consisting of dog food pellets on a white background. Concept of healthy food for dogs
A GTP-bound G-alpha protein (blue) binds to and activates the enzyme adenylyl cyclase, which produces then cyclic AMP spreading a signal through the cell.
3D rendered simple solid icon
Spike glycoprotein homotrimer, a main target for neutralization antibody, to bind its receptor, ACE2, and mediate membrane fusion and virus entry. 3D cartoon and Gaussian surface models, white background.
Germany, Berlin - March 05, 2024 - Bus stop sign against Berlin radio tower, Berlin Charlottenburg
DNA mutation, a mutation is a change in a DNA sequence, mutations can result from DNA copying mistakes made during cell division.
DNA and biotechnology concept
Chain of amino acid or bio molecules called protein - 3d illustration
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A new antibiotic (zosurabalpin, red) traps lipopolysaccharide (orange) in the intermembrane transporter of the Gram-negative bacterium Acinetobacter baylyi
A molecular model of Bisphenol A or BPA.  It is a common building block in the production of many epoxy resins and plastics including polycarbonate plastic. As such it is present in a huge range of food packaging and household products. There are now concerns about its health effects, particularly its effect on children, infants and fetuses.   Isolated on white.
3D cartoon model, PDB 5zi1, secondary structure color scheme, white background.
Molecular Model of Penicillin,
Tryptophan or Trp is an alpha-amino acid that is used in the biosynthesis of proteins, 3d illustration
3d render.  DNA  isolated on white background.
Close-up of a teaspoon with granulated instant coffee over a mug, macro. Top view
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The human immunodeficiency virus single-stranded RNA genome is converted into double-stranded DNA by the viral reverse transcriptase and then the DNA is integrated in the DNA of an infected human cell. The reverse transcriptase is one of the main targets to disrupt the virus multiplication through an inhibitor. There are nucleoside and nucleotide inhibitors and non nucleoside analogue inhibitors.
This computer-generated image vividly illustrates the invasive Group A Streptococcal bacteria, as they would appear under a microscope. This visual representation helps to understand the microscopic world of Group A Streptococcus and its potential to cause serious diseases.
Complement component 3, often simply called C3, is a protein of the immune system. It plays a central role in the complement system and contributes to innate immunity. 3D cartoon and Gaussian surface models with differently colored protein chains, white background.
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