To study sexual dimorphism in humans, Napoleon Chagnon (1988 ) studied the Y?nomamö, a premodern tribe that live in the Amazon rain forest in Venezuela and Brazil
What specific trait of the Y?nomamö correlated with an increased number of wives a corresponding increased number of children?
Men who have participated in a homicide (unokais) have significantly increased numbers of wives and children than those who had never killed (non-unokais).
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Which of the following function(s) as the B cell antigen receptor?
A. IgG B. IgE C. IgA D. Monomeric IgM
The half-life of 14C is 5,730 years. If, after 11,460 years, an organism dies, what percent of the initial 14C will still be present in the organism's bones?
A. 75% B. 0% C. 25% D. 100% E. 50%
Which effect of vaccination is essential for future response to viral infections?
What will be an ideal response?
A proteasome is a
a. vesicle containing proteolytic enzymes. b. precursor to lysosomes. c. complex of a proteolytic enzyme and the protein that is being degraded. d. multisubunit protease complex that degrades proteins marked for destruction.