In an adult male, the __________ extends through the inguinal canal

a. scrotum
b. ejaculatory duct
c. vas deferens
d. seminal vesicles
e. urethra


C

Biology & Microbiology

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Which of the following is characteristic of a steroid hormone action?

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Based on the graph, how soon could another action potential be easily initiated (at the end of the relative refractory period) after the first stimulus?

A) less than 0.5 msec B) 1 msec C) 2 msec D) 3 msec E) 4 msec

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The incorporation of a single strand of donor DNA into a recipient DNA duplex so that the donor strand replaces one of the strands or the recipient duplex generates ________ DNA.

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Total nucleic acids are extracted from a culture of yeast cells and are then mixed with resin beads to which the polynucleotide 5?-TTTTTTTTTTTTTTTTTTTTTTTTT-3? has been covalently attached

After a short incubation, the beads are then extracted from the mixture. When you analyze the cellular nucleic acids that have stuck to the beads, which of the following is most abundant? (a) DNA (b) tRNA (c) rRNA (d) mRNA

Biology & Microbiology