SCIENCE
VIRUS AND BACTERIA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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coccus
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bacillus
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spirillum
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None of the above
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Detailed explanation-1: -A coccus (plural cocci) is any bacterium or archaeon that has a spherical, ovoid, or generally round shape. Bacteria are categorized based on their shapes into three classes: cocci (spherical-shaped), bacillus (rod-shaped) and spiral (of which there are two types: spirillum and spirochete).
Detailed explanation-2: -Spherical bacteria are known as cocci, rod-shaped bacteria are bacilli, and spiral-shaped bacteria are spirilla.
Detailed explanation-3: -The two main groups of bacteria are cocci (spherical-shaped) and bacilli (rod-shaped) (Brooker 2008).
Detailed explanation-4: -coccus, plural Cocci, in microbiology, a spherical-shaped bacterium.
Detailed explanation-5: -The term cocci is derived from the Greek word kokkos, meaning berry or seed. Cocci include archaeon or bacteria that are generally round, oval or spherical in shape.