A group of protozoa that are not motile are the ________.
A. Plasmodium sp.
B. trophozoites
C. amoebas
D. ciliates
E. dimorphics
Answer: A
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Four of the five answers listed below are
related to DNA profiling. Select the EXCEPTION.
a. electrophoresis b. nucleotides c. DNA polymerase d. primers e. DNA ligase
John and all his brothers have no antibodies caused by non-functional B cells. Therefore, they are highly susceptible to
bacterial infections. John and his brothers most likely have a condition called ____________________. Fill in the blank(s) with the appropriate word(s).
The tuberculin skin test is read
A. after 12 hours. B. from 12-24 hours. C. within 1 hour. D. from 48-72 hours. E. from 24-48 hours.
Which of the following food web properties is independent of the species richness of the community?
A) number of feeding links per species B) number of trophic levels C) number of guilds within trophic levels D) overall food web complexity