Final answer:
A cell that is cylindrical (longer than wide) is termed a: b. Rod/bacillus
Step-by-step explanation:
A cell that is cylindrical and longer than wide is termed a b.rod, and the correct designation for this shape is b) Rod/bacillus. In microbiology, the morphology of bacterial cells is classified based on their shape, and a rod-shaped cell is referred to as a bacillus. This distinguishes it from other cell shapes like spheres (cocci), spirals (spirilla), and squares (which are not commonly found in bacterial cells).
The term "bacillus" is derived from the Latin word for rod, and it accurately describes the elongated and cylindrical shape of these cells. This classification is fundamental in microbiological studies as it aids in the identification and categorization of different bacterial species based on their cellular characteristics.
Understanding the terminology associated with bacterial morphology is essential for researchers and practitioners in the field.
Microbial morphology provides valuable information about the structure and classification of bacteria, contributing to the overall understanding of their biology.
The diversity of shapes observed in bacterial cells reflects their adaptability and evolution in various environments. Rod-shaped bacteria, or bacilli, are commonly encountered in nature and play significant roles in ecological processes, pathogenesis, and biotechnological applications.