Which prenatal period is considered a critical period when teratogens are most likely to have severe and enduring effects? Why?
What will be an ideal response?
Answer: The embryonic period, because this is when all the major organs and systems are forming.
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Someone who understands that objects maintain their weight and volume after changes in shape, but has trouble answering abstract or hypothetical questions, is in which of Piaget's stages?
a. Preoperational b. Concrete operations c. Sensorimotor d. Formal operations
According to the intelligence testing of U.S. army recruits, which group scored higher on average??
a. ?Black Americans b. ?White Americans c. ?Latin American immigrants d. ?Mediterranean immigrants e. ?southern European immigrants
The fact that most of us gain pleasure from eating and sexual activity is at least partially due to the effects of neurotransmitters. Which neurotransmitter is the most likely source of this pleasure?
a. ?epinephrine b. ?glutamate c. ?endorphins d. ?dopamine
Protein-coding genes __________
A) directly affect our body’s characteristics B) modify instructions given by regulator genes C) come in 23 matching pairs D) are formed through meiosis