Chemicals in the amphibian tectum guide the growth of axons from the retina to their correct location in the tectum by ____.
A. having dozens of different growth factors
B. using an electrical gradient
C. using a chemical gradient
D. glial cell transportation
Answer: C
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John drives to work each morning, and the trip takes an average of ยต = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of ? = 5 minutes. For a randomly selected morning, what is the probability that John's drive to work will take less than 35 minutes?
a. 0.6554 c. 0.7257 b. 0.3446 d. 0.2743
Gene expression results in the synthesis of what component of a living cell?
a. proteins b. nucleic acids c. lipids d. carbohydrates
Which of the following tasks best assesses perspective taking abilities in children?
A) three mountain task B) conservation tasks C) class inclusion tasks D) transitivity tasks
While attending a cocktail party, you find you can clearly hear one particular conversation above all the others, even though that conversation is not very loud. To a Gestalt psychologist, the conversation represents the ________,
and the rest of the party is the ________. a. figure; ground b. object; ground c. object; subject d. pattern; whole