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Scientist pipetting sample into a vial for DNA testing in High Wycombe, England, United Kingdom
Female scientists wearing Chemical protective suites and PPE collect samples of toxic water to test by mobile lab test, examining wastewater from Industrial, and environment
oil in container, Laboratory Quality Testing Concepts, Scientific experiments for industry
Hand pours yellow liquid into test tube. Conveyor line for the production of household cleaning products concept
Medical technicians working on bacterial culture and drug resistance of pathogens in the laboratory
Measuring test tubes with different liquid for experiences
A scientist is using a pipette to carefully transfer liquids onto cultured meat cells on a lab dish, showcasing the hands-on process in a modern laboratory
Woman hands performing pH test on pH meter electronic instrument for quality control in chemical industry.
Cheerful interracial apothecary technicians are standing together in a vintage pharmacy and working on an experiment. Pharmacists are traditionally making alternative medicine. Alternative medicine
Color reagents in test tubes and flasks are on the table. Study chemistry. Natural Sciences. Desk. Classroom. Laboratory at the university. Biolaboratory. Science.
Hand dripping pH indicator into test tube with visible color change in test fluid
Girls in STEM, female science college students in classroom. Students are a group of multi-racial and multi-gender persons. This is part of a series promoting diversity and equity in STEM. Horizontal close up indoors shot with copy space. Focus on hand. This was taken in Montreal, Quebec, Canada.
Scientist or doctor in blue gloves pouring some yellow liquid into a flask close up
Glass beakers filled with colorful substance sit on top of white desk
chlorine solution in glass, Chlorine is used to kill bacteria or to perform experiment in laboratory
Biology laboratory with ventilation hood.
Set of Petri dishes with different culture samples on white background, top view
Teenage girl takes notes while conducting a chemistry experiment. Her teacher is helping her.
Laboratory Research concept. Scientific laboratory glassware with colourful liquid.
Laboratory assistent at work
A row of test tubes with different colored liquids in them. The tubes are arranged in a row and are labeled with numbers. Concept of scientific experimentation and discovery
background with hand written electrotechnics formulas with diagrams and plans of basic electrotechnics setups and sketches on white paper background,
A Petri dish with colonies from a culture of Kluyveromyces lactis, a yeast commonly used for genetic studies and industrial applications
Scientific experiment of changing the color of a liquid solution. Liquid solutions of different colors can be obtained with indicators, as shown in this experiment.
food safety concept - asian quality control expert scientist team wearing protective goggles is watching meat or crop specimen on microscope in the laboratory
Laboratory glassware with colorful liquids and microscope isolated on white
Results from a lung/pulmonary function test (PFT). Shows spirometry graphs and measurements. Results are  within normal limits. PFTs are used to diagnose respiratory problems.
Close-up shot of a petri dish for checking an antibiotic in the laboratory.
Laboratory heating plates and flasks
Free Images: "bestof:Meselson-stahl experiment diagram en.svg The Meselson-Stahl experiment was an experiment by Matthew Meselson and Franklin Stahl which demonstrated that DNA"
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