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Concepts of Biology

Critical Thinking Questions

Concepts of BiologyCritical Thinking Questions


Why can’t dogs catch the measles?


Why is immunization after being bitten by a rabid animal so effective?


Different MHC class I molecules between donor and recipient cells can lead to rejection of a transplanted organ or tissue. Suggest a reason for this.


If a series of genetic mutations prevented some, but not all, of the complement proteins from binding antibodies or pathogens, would the entire complement system be compromised?


How do B and T cells differ with respect to antigens that they bind?


Why is the immune response after reinfection much faster than the adaptive immune response after the initial infection?


Some photographers develop a sensitivity to certain film developing chemicals leading to severe rashes on their hands such that they are unable to work with them. Explain what is probably happening.

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