Chapter 43
Biology: How Life Works · 8 exercises
Problem 1
Compare and contrast the innate and adaptive immune systems.
5 step solution
Problem 2
List components of the innate immune system.
5 step solution
Problem 3
Describe how cells of the innate immune system recognize pathogens.
4 step solution
Problem 4
Explain how the four signs of inflammation relate to the changes that occur in the underlying tissues.
5 step solution
Problem 6
Describe how B cells produce a great variety of different antibodies, each specific for a particular antigen.
5 step solution
Problem 7
Explain how immunological memory is achieved.
5 step solution
Problem 9
Describe how positive and negative selection leads to a population of T cells that react to MHC molecules in association with nonself antigens, but not self antigens, and what happens when tolerance to self antigens is lost.
5 step solution
Problem 10
Describe three mechanisms that allow pathogens to evade the immune system.
4 step solution