The paralyzing effect of curare is caused by its ability to block the action of acetylcholine at neuron-muscle synapses
Indicate whether the statement is true or false
T
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What is the gender distribution of ASD?
a. Four times as many boys as girls have ASD. b. Four times as many girls as boys have ASD. c. The gender distribution is about 50-50. d. At present, the gender distribution is unknown.
A researcher recorded conversations of 4-year-olds and parents at a zoo. She found that children took many opportunities to learn about animals as living things by __________.
A. listening to their parents lecture them about the animals' habits B. asking an adult questions about biological processes C. asking an adult questions about the names of the animals D. asking an adult to read the signs on each cage
Which of the following is an example of a primary reinforcer?
a. approval b. food c. a toy for a child d. money
____ cues make the moon on the horizon look larger because it appears ____.
A. Distance; closer B. Binocular; closer C. Distance; farther away D. Subliminal; brighter