Which of the following is not a strategy of the body to defend against foreign organisms and cancer cells?
A) physical barrier B) adaptive immune response
C) internal cellular defense D) antibiotic pills
Answer: D
Biology & Microbiology
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All organic molecules contain
A. oxygen and carbon. B. nitrogen and oxygen. C. hydrogen and oxygen. D. carbon and nitrogen. E. hydrogen and carbon.
Biology & Microbiology
Embryonic plants are nourished by nutrients in endosperm and the ____, but not by nutrients in fruits
a. cotyledons b. seed coat c. germ d. bran e. ovary wall
Biology & Microbiology
Of all organisms, prokaryotes are
a. the smallest. b. the most abundant. c. the most metabolically diverse. d. the most widespread. e. all of these.
Biology & Microbiology
Drake wants to know how related he is to his cousin's new baby. Calculate r for him please.
A. 0.125 B. 0.03125 C. 0.0625 D. 0.5 E. 2.5
Biology & Microbiology