EVERYDAY SCIENCE

Detailed explanation-1: -cocci. A coccus (plural cocci) is any bacterium or archaeon that has a spherical, ovoid, or generally round shape. It is one of the three distinct bacterial shapes, the other two being bacillus (rod-shaped) and spiral-shaped cells.

Detailed explanation-2: -Staphylococcus: Staphylococcus is a Gram-positive, non-motile bacteria genus belonging to the Bacillales order’s Staphylococcaceae family. Staphylococcus bacteria (staphylococci) form clusters of cells that resemble grapes. They seem spherical (cocci) when observed under the microscope and create grape-like groups.

Detailed explanation-3: -Prokaryotes come in various shapes, but many fall into three categories: cocci (spherical), bacilli (rod-shaped), and spirilli (spiral-shaped) (Figure).

Detailed explanation-4: -The two main groups of bacteria are cocci (spherical-shaped) and bacilli (rod-shaped) (Brooker 2008).