The toxin curare prevents __________ from binding within receptor sites in neurons, resulting in paralysis and often death
a. acetylcholine c. serotonin
b. norepinephrine d. dopamine
A
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The ____ is the earliest developmental stage at which the young organism contains the hereditary material from both mother and father
a. egg b. embryo c. zygote d. fetus
At what age would you expect a child to first be able to string consonant-vowel combinations?
a. 2 months b. 4 months c. 8 months d. 12 months.
Which of the following statements about aggression is true?
A) Girls display overall rates of aggression that are much higher than boys. B) Highly aggressive children tend to be neglected by peers. C) Children high in proactive aggression often see hostile intent where it does not exist. D) Boys are more likely than girls to be targets of harsh, inconsistent discipline.
What type of effect on memory occurs when dopamine levels are increased in the nervous system?
A. It slows down memory abilities. B. It improves memory abilities. C. It blocks memory abilities. D. It has no effect on memory abilities.