NMDA receptors ___________ when the nearby membrane is not depolarized.

A. allow both sodium and calcium to enter the cell
B. are blocked by a molecule of calcium
C. are blocked by a molecule of magnesium
D. allow potassium to leave the cell


Answer: C

Psychology

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You see a vicious-looking squirrel getting ready to attack you. What specific part of the nervous system would be activated to prepare you for this fight-or-flight encounter?

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While driving down a busy highway, Bella is suddenly cut off by another driver who is weaving in and out of traffic, changing lanes and speeding with apparently no regard for other drivers

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Psychology

Martha studies the personality traits that are central to a person's life. For example, she notes that Maggie is introverted and has always loved crafts, such as knitting

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Psychology