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Bacterial Transfer: Picking up single bacterial colonies from agar plates or liquid broths.
Streaking: Spreading microorganisms across agar media in a dilution pattern to isolate pure colonies.
Slide Smears: Spreading a thin layer of a sample onto a microscope slide for staining and examination.
Summary
A wire loop with a holder (commonly called an inoculating loop) is a standard laboratory instrument used in microbiology to pick up, transfer, and streak microbial cultures.