Sand flies transmit several diseases. One of these is protistan in origin and is caused by
a. toxoplasma gondii
b. babesia microti
c. trypanosoma brucei
d. leishmania conovani
d. leishmania concovani
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The study of antigen-antibody reactions is known as
A) serology. B) immunology. C) toxicology. D) epidemiology.
Chemical signals that are released by one cell and act locally on neighboring cells are referred to as:
A. paracrine signals. B. autocrine signals. C. hormones. D. pheromones. E. neurotransmitters.
Chromosome number reduces during
A. mitosis. B. interphase. C. meiosis I. D. meiosis II.
After DNA replication is complete, each strand of the original molecule is bound to a new complementary strand. This process is known as
A. stabilizing replication. B. semiconservative replication. C. disruptive replication. D. dispersive replication. E. conservative replication.