In males, most testosterone is produced by the ________ (cells).
Fill in the blank(s) with the appropriate word(s).
Answer: interstitial
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One hundred fifty one deaths have been attributed to vCJD in the United.States.
Answer the following statement true (T) or false (F)
Without tight junctions in certain tissues
a. cells would not be able to communicate with each other b. fluids may leak out past the barrier the junction would create. c. the tissues would not be able to expand and stretch without damage d. nutrients would not be able to be passed from cell to cell.
The diploid number of a roundworm species is 4. Assuming there is no crossover, and random segregation of homologues during meiosis, how many different possible combinations of chromosomes might there be in the offspring
(not including variety generated by crossing over)? A) 4 B) 8 C) 16 D) 64
which is not a thought to be a factor in the development of parasomnias (of arousal)?
-those that deepen sleep, such as alcohol -genetics -those that disrupt sleep, such as pain -all of the above may be factors in the occurrence of parasomnia