What is the difference between a culture tube and a test tube?

A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom. Test tubes are usually placed in special-purpose racks.

Test Tube With Screw Cap,A test tube with a screw cap is a laboratory container used for the collection, storage, and transportation of small amounts of liquid or solid samples.

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