Chemotaxis refers to the ability of a cell to
A. move in response to a chemical.
B. move in response to light.
C. transport desired molecules into a cell.
D. halt movement in response to a chemical.
Answer: A
Biology & Microbiology
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Extensive growth of the streptococci in a thick bacterial layer on acidic glycoproteins on the teeth is called
A) dental plaque. B) dental caries. C) dental biofilm. D) periodontitis.
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Which of the following organization levels is the least inclusive?
a. population b. community c. cell d. atom e. molecule
Biology & Microbiology
Explain the process of soil formation by weathering. What will be an ideal response?
Biology & Microbiology
Normal cell functions of noneukaryotes are disrupted by
A. enzymes. B. mitochondria. C. antibacterial antibiotics. D. cell walls.
Biology & Microbiology