Examlex
Broad spectrum pesticides are toxic only to pests,not to beneficial insects.
Cell Walls
Rigid layers surrounding some types of cells, providing structural support and protection while allowing interactions with the environment.
Stains
Substances used to mark or color materials (in a biological context, often used to highlight structures in microscopy).
Microbiologic Specimen
A sample of biological material such as blood, urine, or tissue used to identify and study microorganisms like bacteria, viruses, and fungi.
Biohazard Symbol
A symbol that must appear on all containers used to store waste products, blood, blood products, or other specimens that may be infectious.
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