Direct injection of CART into to ______ is rewarding for rats, suggesting that this peptide is involved in the rewarding aspects of ________.

A) ventral tegmental area; alcohol
B) raphe nucleus; amphetamine
C) substantia nigra; alcohol
D) ventral tegmental area; cocaine


Answer: D) ventral tegmental area; cocaine

Biology & Microbiology

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Where are complement proteins synthesized, and what do they do?

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Red imported fire ants (RIFAs) disrupt natural communities by ____

a. congregating inside electrical equipment b. competing with native ant populations c. stinging humans with deadly venom d. disrupting pasture land e. killing Texas horned lizards

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Four of the following are echinoderms. Which one is the exception?

a. sea cucumber b. sea star

c. urchin d. brittle star e. krill

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Eukaryotic cells contain membrane bound

___________ in their cytoplasm. Fill in the blank(s) with the appropriate word(s).

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