Arrange the following three lines of defense from earliest to latest
1 = Adaptive immune system
2 = Physical barriers
3 = Innate immune system
a. 1, 2, 3
b. 2, 1, 3
c. 2, 3, 1
d. 3, 1, 2
e. 3, 2, 1
C
Biology & Microbiology
You might also like to view...
Unique features of the planctomycetes include ________.
A. a membrane-bound nuclear region B. resistance to ionizing radiation C. their size: some are as large as protozoa D. twitching fimbriae that are required for motility
Biology & Microbiology
The authors of the modern synthesis focused on evolutionary change within individuals
a. True b. False
Biology & Microbiology
A mixed culture is
A. one that has been adequately stirred. B. a pond sample containing algae and protozoa. C. one that contains two or more known species. D. the same as a contaminated culture.
Biology & Microbiology
Two organisms with the same genotype always have the same phenotype
a. true b. false
Biology & Microbiology