Multiple Choice
Movement in bacteria
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7. Prokaryotic Cell Structures & Functions
Prokaryotic Flagellar Movement
Multiple Choice
Bacteria use flagella to move purposefully toward or away from a chemical by which of the following?
A
Chemotaxis
B
Thermotaxis
C
Osmotaxis
D
Phototaxis
Verified step by step guidance1
Understand that bacteria move in response to environmental stimuli through a process called taxis, which is a directed movement either toward or away from a stimulus.
Identify the types of taxis based on the stimulus: Chemotaxis (chemical), Thermotaxis (temperature), Osmotaxis (solute concentration), and Phototaxis (light).
Recognize that flagella are the structures bacteria use to propel themselves and change direction in response to these stimuli.
Focus on the term 'purposeful movement toward or away from a chemical,' which directly relates to the movement in response to chemical gradients.
Conclude that the correct term describing bacterial movement toward or away from chemicals using flagella is Chemotaxis.
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