Transplanted tissue is rejected by the body if the

A. immune system interprets the tissue to be nonself
B. grafted tissue is an autograft
C. donor and recipient of the transplant are identical twins
D. blood types of donor and recipient are the same
E. serum sickness is uncontrolled


Answer: A. immune system interprets the tissue to be nonself

Biology & Microbiology

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Which of the following organelles does not receive proteins synthesized on cytoplasmic ribosomes by posttranslational import?

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A certain infectious disease can cause swellings on the aortic semilunar valve. The valve will then fail to close properly, resulting in ________

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Biology & Microbiology