The rejection of a transplanted organ by the immune system of the recipient is a result of a cell-mediated immune response, rather than antibody-mediated response. What does this indicate about the nature of the transplanted cells? From the perspective of the T cell, are the cells of the transplanted organ significantly different from virus-infected or cancerous self cells?
What will be an ideal response?
Transplanted cells contain surface molecules recognized as self, as well as some recognized as non-self. As far as
the T cell is concerned, the transplanted organ consists of altered self cells that are no different from those related to
viruses or cancer.
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Which condition is a state of unconsciousness in which a person's responses to stimuli are reduced or absent?
a) narcolepsy b) insomnia c) sleep apnea d) coma e) amnesia
Which of the following statements is true of connective tissue?
A) Elastin fibers are sometimes called white fibers. B) When connective tissue is stretched, collagen gives it the ability to snap back. C) Collagen fibers provide high tensile strength. D) Reticular fibers form thick, ropelike structures.
A young mouse or rat is a/an __________
Fill in the blank(s) with correct word
Both the cerebrum and cerebellum have gray matter in their surface cortex and deeper nuclei, and white matter deep to the cortex.
Answer the following statement true (T) or false (F)