The first true vaccine provided immunity to

A. anthrax.
B. cholera.
C. pertussis.
D. rabies.
E. smallpox.


Answer: E

Biology & Microbiology

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The hormone progesterone triggers the smooth muscles of the uterine wall to begin the contractions of labor

a. True b. False

Biology & Microbiology

Uniparental disomy can arise through nondisjunction in _____

1.meiosis 2.the early embryo 3.the zygote 4.all of the choices

Biology & Microbiology

If two gene loci are on nonhomologous chromosomes, genes at these loci are expected to assort independently

Indicate whether the statement is true or false

Biology & Microbiology

The associated figure provides support for which of the following processes?


a. secondary succession
b. competitive exclusion
c. coevolution
d. mutualism
e. resource partitioning

Biology & Microbiology