Select your answer:
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Health › ViewDiseases that are caused partly by unhealthy behaviors and partly by other factors.
A. lifestyle diseases
B. heredity
C. pathogens
D. none of the above
Microbiology › View
Lymphocytes
A. possess MHC antigens for recognizing self.
B. have membrane receptors that recognize foreign antigens.
C. gain tolerance to self by destruction of lymphocytes that could react against self.
D. develop into clones of B and T cells with extreme variations of specificity.
E. All of the choices are correct.