Which pairing of a cell structure and function is correct?
A. mitochondria; production of cytoplasm
B. double layer of lipid molecules; formation of the cell membrane
C. synapse; production of filaments
D. microtubules; production of cytoplasm
Answer: B
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The Flynn effect refers to the tendency for what to happen?
a. IQ performance increases from one generation to the next. b. People who do well on one test also do well on other tests. c. People who score exceptionally high on a test tend get closer to the mean on a retest. d. Monozygotic twins become more and more similar in IQ scores as they grow older.
Throughout adulthood, self-concept becomes more ______.
A. scattered B. defined C. simple D. complex
When a child is conceived and has an XY chromosome type, that child is genetically a boy. Which of the following statements best reflects where his chromosomes came from?
a. He got his X chromosome from mom and his Y chromosome from dad. b. He got the Y chromosome from mom, and the X chromosome from dad. c. He got XX chromosomes from mom, but the XY chromosomes he got from dad were genetically dominant, and that is why he is going to be a boy. d. It is impossible to know which chromosome came from which parent.
_____ are the most common category of mental disorders and account for more than 4 million visits to doctors' offices each year in the United States
a) Mood disorders b) Psychotic disorders c) Substance abuse/dependence disorders d) Anxiety disorders