All microorganisms are best defined as organisms thatGroup of answer choicesAre infectious particlesCan only be found growing in laboratoriesAre too small to be seen with the unaided eyeLack a cell nucleusCause human disease
Question
All microorganisms are best defined as organisms thatGroup of answer choicesAre infectious particlesCan only be found growing in laboratoriesAre too small to be seen with the unaided eyeLack a cell nucleusCause human disease
Solution
Microorganisms are best defined as organisms that are too small to be seen with the unaided eye. This definition includes a wide variety of organisms, such as bacteria, viruses, fungi, and some types of parasites. While some microorganisms can cause human disease, not all do. Similarly, while many microorganisms can be grown in laboratories for study, they can also be found in a wide variety of natural environments. Finally, while some types of microorganisms, such as viruses, lack a cell nucleus, others, such as bacteria, do have a cell nucleus. Therefore, the definition of microorganisms is not limited to any one of these characteristics, but rather includes all organisms that are too small to be seen with the unaided eye.
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