The carriers of genetic information in the form of DNA are the
a. chromosomes.
b. ribosomes.
c. nucleotides.
d. rizomes.
A
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To calculate the mean of a set of data, you add up all the scores and divide the result by the ____
a. ?range b. ?standard deviation c. ?number of scores d. ?mode
Which of the following conditions is NOT associated with a happy demeanor?
a. Down syndrome b. Prader-Willi syndrome c. Angelman syndrome d. Williams syndrome
In a study of effects of alcohol on driving ability, the control group should be given
a. a high dosage of alcohol. b. one-half the dosage given the experimental group. c. a driving test before and after drinking alcohol. d. no alcohol at all.
In operant conditioning, the extinction of learned responses results from the repeated performance of operant behavior without ______________
Fill in the blank(s) with correct word