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Use "chemotactic" in a sentence
"High turbulence levels increase the short-term chemotactic advantage by quickly producing large gradients in the nutrient concentration, but also lead to rapid mixing of the nutrient field, which ultimately eliminates the chemotactic advantage."
"The suckers are also "chemotactic," meaning they can taste what they touch."
"E.g., a biochemist investigating the chemotactic SR behavior does not consider it a "psychological response" of flageallted bacteria."