Open Question
Which of the following terms best describes stiff, spiral-shaped prokaryotic cells?
a. cocci
b. bacilli
c. spirilla
d. spirochetes
7. Prokaryotic Cell Structures & Functions
Bacterial Cell Morphology & Arrangements
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Streptococcus bacteria have what shape?
A
Single thin cells that are bulbous at one end.
B
Chain of spiral cells.
C
Cluster of rod-shaped cells.
D
Cluster of spherical cells.
E
Chain of spherical cells.
Verified step by step guidance1
Understand the basic shapes of bacteria: Bacteria can have various shapes, including spherical (cocci), rod-shaped (bacilli), spiral (spirilla), and others.
Recognize the term 'Streptococcus': The prefix 'Strepto-' refers to a chain-like arrangement of cells.
Identify the shape associated with 'coccus': The term 'coccus' refers to spherical-shaped bacteria.
Combine the terms: 'Streptococcus' indicates a chain ('strepto-') of spherical ('coccus') cells.
Conclude that Streptococcus bacteria are characterized by their chain of spherical cells, which matches the description of 'Chain of spherical cells.'
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