What is incorrect about pertussis? the source of infection is direct contact with inhaled droplets. a virulence factor of b. pertussis is toxins that destroy cilia cells is produced. the number of cases is steadily decreasing since 1976. the paroxysmal stage is characterized by persistent coughing. it can cause severe, life-threatening complications in babies?
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Biology, 22.06.2019 04:00
The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons
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Biology, 22.06.2019 10:00
In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing:
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Biology, 22.06.2019 22:30
Where are chlorophyll molecules located within the chloroplasts?
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What is incorrect about pertussis? the source of infection is direct contact with inhaled droplets....
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