Wissenschaftler lässt Flüssigkeit auf Pflanzenprobe im Reagenzglas fallen - Stockfoto & -bild

Two hands in rubber glove holding a test-tube with biological material closeup

Two hands in rubber glove holding a test-tube with biological material closeup

Scientist drops liquid on plant specimen in test tubes

Drop dripping from pipette into test tube with plant on light background

Two hands in rubber glove holding a test-tube with biological material closeup

Blue colored test tubes with molecule model - chemistry or biology science background

Hand dripping pH indicator into test tube with visible color change in test fluid

Scientist studying molecule model with test tubes in the foreground

Hand dripping pH indicator into test tube with visible color change in test fluid

Test tubes with microscope and periodic system of the elements - chemistry or biology science background

Chemical or medical laboratory test tubes with dropper or pipette and transparent fluid, research, science or medicine concept or background, 3D illustration

Test tubes with microscope and structural chemical formula - chemistry or biology science background

Researcher holding test tube with science microscope and structural chemical formula - research or science concept background

Hand holding test tube with pH indicator comparing color to scale