According to the American psychological Association (2011) website, about 70% of U.S. adults have experienced a severe traumatic event, and one in ____ go on to develop symptoms of PTSD.
A. 3
B. 5
C. 10
D. 15
Answer: B. 5
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The degree of relatedness of two members of a pedigree is calculated using _____
A. The calculation of average heterozygosity B. The Hardy-Weinberg rule C. The coefficient of inbreeding D. The chi-square test
The Centers for Disease Control and Prevention (CDC) recommendations for testing in suspected cases of Lyme disease are to screen with ______ and confirm with ________
a. RPR; FTA-ABS b. enzyme-linked immunosorbent assay (ELISA); immunofluorescent antibody (IFA) c. IFA; immunoblotting d. ELISA; TP-PA
Which of the following illustrates Mendel’s law of independent assortment?
a. a dihybrid cross b. a Punnett square c. the first division in meiosis d. a monohybrid cross
Myxobacteria lyse bacteria and yeasts by secretion of digestive enzymes then use the resulting peptides and amino acids as a source of ________.
A. nitrogen B. phosphate C. iron D. sodium