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Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet), ampicillin (red).

$Bottle with pipette and chemical formula with text \$

3d Rendering Molecular Structure,Ozone,Hydrogen and oxygen

Glutamine is an α-amino acid that is used in the biosynthesis of proteins. Its side chain is similar to that of glutamic acid, except the carboxylic acid group is replaced by an amide. It is classified as a charge-neutral, polar amino acid. 3D ball-and-stick model, white background

Photos taken in the biotechnology laboratory focused on addressing global challenges of biosustainability, including sustainable production of food and feed, but also biochemicals and materials.

Scientist holding conical flask with transparent liquid in laboratory, closeup

A ball and stick model of Human Insulin. Isolated on black.

Midsection of young male biochemist using pipette over multi well plate at laboratory

Isolated minoxidil chemical molecule structure in the white background 3d rendering

The cAMP-dependent protein kinase A (PKA) is activated by cAMP (orange) binding to the regulatory subunit (dark blue). Then it releases the active catalytic subunit (light blue). In red,: the anchoring protein AKAP .. Source PDB entry 3J4Q

Close-up shot of a petri dish for checking an antibiotic in the laboratory.

Cysteine is a semiessential proteinogenic amino acid. The thiol side chain in cysteine often participates in enzymatic reactions, as a nucleophile. 3D ball-and-stick model, white background

$Scientist in blue latex gloves pouring solution from pipette on glass while conducting experiment in lab$

Science background with molecule or atom

Molecular model of Adenosine triphosphate, or Adenosine-5'-triphosphate (ATP)

Hand of scientist or doctor showing a microbiological culture Petri dish with bacteria where an antibiotic resistance test has been carried out

Tryptophan or Trp is an alpha-amino acid that is used in the biosynthesis of proteins, 3d illustration

A ball and stick model of a molecule of Human Interferon. Interferons are proteins important in the working of the immune system and are produced in large numbers in the presence of viruses, bacteria, tumors and parasites. Interferons are used in drugs to combat cancer, multiple sclerosis, hepatitis B and C and other diseases. Isolated on white.

Calcium carbonate chip in chemical watch glass with molecular structure on white laboratory table. Top view

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Making mixtures to obtain fungi and bacteria

Several vials with soluble protease proteins for activation of the coronavirus severe acute respiratory syndrome (SARS) trypsin-like protein in human respiratory tract in a hospital, Spain

Close-up of microcentrifuge tubes in a lab staying open in blue clamp on laboratory desk

Cyclic adenosine monophosphate is a second messenger important in many biological processes. cAMP is a derivative of adenosine triphosphate and used for intracellular signal transduction in many different organisms, conveying the cAMP-dependent pathway. It should not be confused with 5'-AMP-activated protein kinase.

Free Images: "bestof:Glutamine biosynthesis.png Biosynthesis of glutamine Selfmade with ChemDraw 2006-06-10 Calvero PD Enzyme reactions Amino acid metabolism EC 6 3 1"

Catalitic cycle for hydrogenation with Wilkinson's catalyst.svg

Diphenylzinc asymmetric addition with MIB.svg

Beta oxidation of unsaturated fatty acid (zh-cn).svg