Of the following, what would be the most likely mode of transmission of Legionella pneumophila?
a) Person-to-person
b) Drinking unpasteurized milk
c) Aerosolized water droplets
d) Skin contact with a contaminated surface
Ans: c) Aerosolized water droplets
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Explain the difference between a chromosome, a gene, and an allele.
What will be an ideal response?
In the second generation of a cross of DD RR with dd
rr, the most common genotype will be a. DD RR. b. Dd RR. c. Dd Rr. d. dd RR. e. dd Rr.
Communities evolve to have greater biomass and species richness in a process called
A. sympatric interactions. B. adaptive modifications. C. succession. D. symbiotic relationships. E. competitive exclusion.
Hormones secreted by endocrine glands belong to all the following chemical categories except
A. glycoproteins. B. steroids. C. polypeptides. D. amines. E. carbohydrates.