MTLE Life Science (Grades 9-12) Practice Questions - MTLE Life Science (Grades 9-12) Subtests 062 And 063 Exam

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When handling live cultures of bacteria in a high school laboratory, which practice best ensures a safe environment and proper disposal of biological materials?

Autoclaving or disinfecting cultures before disposal and using aseptic technique Pouring used cultures directly down the sink without treatment Allowing students to open culture plates and smell the contents Storing cultures uncovered at room temperature on lab benches

Correct Answer:

Autoclaving or disinfecting cultures before disposal and using aseptic technique

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