The sympathetic nervous system:a
is involved in restoring energy to the body.
b. directs quiet, calm activities.
c. is the only system that innervates the heart.
d. is activated when there is a startling situation.
e. is part of the somatic division.
D
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One of the fish in your aquarium dies. Adding which protist to the water would allow you to avoid flushing the dead fish by speeding its decay?
A) an apicomplexan B) a dinoflagellata C) an oomycete D) a ciliate E) a euglenid
The male and female reproductive systems of an adult each include
A) gonads, tubes, gametes, hormones and secretions. B) ambiguous structures that give rise to male or female structures at puberty. C) spermatids, polar bodies, and oocytes. D) 200 to 600 million spermatocytes and a few thousand oocytes.
PCR is ____
a. repeated DNA replication cycles of a specific region of a DNA molecule b. DNA replication in which DNA polymerase replicates an entire chromosome c. a reaction in which restriction enzymes cut a gene of interest from the chromosome d. transcription during which only a portion of the cell’s DNA is expressed e. translation during which only some mRNA molecules are translated to make proteins
Diagrams depicting family relationships and phenotypes for a genetic disorder are Select one:
a. linkage maps. b. Punnett squares. c. pedigree charts. d. bell-shaped curves. e. karyotypes.