Laser Technician IBEC Board Exam 2025 - Free International Board of Electrologist Certification Practice Questions.

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Which characteristic is associated with spirilla bacteria?

Short and rod-shaped

Curved or corkscrew

Spirilla bacteria are characterized by their unique shape, which is typically described as curved or corkscrew. This distinct morphology allows them to move in a helical manner, often enhancing their motility in various environments. The corkscrew shape is significant because it enables these bacteria to navigate through liquids, which can be particularly advantageous in their natural habitats or during infection.

In contrast, the other choices refer to different bacterial shapes. For instance, short and rod-shaped bacteria are described as bacilli, while clustered and spherical bacteria are referred to as cocci. Long and threadlike bacteria are generally associated with a different classification known as filamentous bacteria. Each of these shapes corresponds to specific categories in bacterial taxonomy, emphasizing the importance of accurate identification based on morphology.

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Clustered and spherical

Long and threadlike

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