One epigenetic change that can affect the expression of a gene is methylation, which is
a. the subtraction of an organic molecule from DNA
b. the addition of an organic molecule to DNA
c. the addition of RNA to DNA
d. the effect of hormones on DNA
Ans: b. The addition of an organic molecule to DNA
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The Vocational Education Act Amendments of 1968 advocated for
A. career guidance programs. B. responses to the disadvantaged and physically handicapped. C. expansion of the concept of guidance into elementary schools. D. all of the above.
The propriety standard concerns ______.
A. whether the evaluation is reasonable to conduct B. the extent to which an evaluation and its results are legally and ethically conducted C. whether the information gained addresses the needs of the identified audience D. none of these are true
What were the results of the epigenome-wide association studies of the genomes or genotypes of maltreated youth compared with genomes of children who were not maltreated?
a. There were differences in methylation, most of which were introns that are crucial to the regulation of genetic expression. b. There were no differences in methylations. c. The differences in methylations were observed in around 500 genes that impact portions of the DNA. d. The observed differences in 2868 genes that were portions of DNA that directly code for proteins.
Which of the following is NOT a major subsystem of the nervous system?
A. central nervous system B. traumatic nervous system C. peripheral nervous system D. autonomic nervous system