Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 43, Problem 4TYU

Level 2: Application/Analysis

4. Which of the following statements is not true?

  • (A) An antibody has more than one antigen-binding site.
  • (B) A lymphocyte has receptors for multiple different antigens.
  • (C) An antigen can have different epitopes.
  • (D) A liver or muscle cell makes one class of MHC molecule.
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Which of the following statements is not true?(A) An antibody has more than one antigen-binding site.(B) A lymphocyte has receptors for multiple differentantigens.(C) An antigen can have different epitopes.(D) A liver or muscle cell makes one class of MHC molecule.
The emphasis in innate immunity is that it is non-specific. Explain how two different factors/parts of the human innate immune system are not specific to a particular pathogen.”                 “2. Antibodies are a crucial part of adaptive immunity. Discuss the structure of an antibody and how the adaptive immune system is capable of producing different antibodies for a wide variety of antigens.”                   “3. The innate and adaptive immune systems typically communicate with each other. Which system acts first and then communicates with the other? Why would this be advantageous?
Johnny has just been infected and needs your help in letting him know how his body is fighting the infection. To do so, describe how the innate and adaptive immune systems work together. You should address the following: 1. define adaptive and innate immunity; 2. Describe the role of natural killer cells (how do they work); 3. what are antigen presenting cells and what is their function, what are MHCs?; 4. describe the role of the complement system; 5. what is the role of interferons?; 6. How do helper T cells, cytotoxic T cells and B lymphocytes work make sure you address adaptive immunity memory?; 7. Define HIV, which cells do they attack and why do some individuals develop persistent lymphadenopathy (swollen or enlarged lymph nodes)?
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