Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 35, Problem 8TYU
DRAW IT Consider a pencil-shaped protein with two epitopes, Y (the “eraser” end) and Z (the “point”· end). They are recognized by antibodies A1 and A2, respectively. Draw and label a picture showing the antibodies linking proteins into a complex that could trigger endocytosis by a macrophage.
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Consider a pencil-shaped protein with two epitopes, Y (the “eraser” end) and Z (the “point” end). They are recognized by antibodies A1 and A2, respectively. Draw and label a picture showing the antibodies linking proteins into a complex that could trigger endocytosis by a macrophage.
DRAW IT Sketch a B cell antigen receptor. Label the Vand C regions of the light and heavy chains. Label theantigen-binding sites, disulfide bridges, and transmembrane region. Where are these features located relativeto the V and C regions?
How are antibodies unique? Please discuss the structure of an antibody. What are the V and C regions? Discuss how the few hundred genes involved are capable of making endless amounts of antibodies. Besides medical treatment what is another way antibodies can be used?
Chapter 35 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 35.1 - Pus is both a sign of infection and an indicator...Ch. 35.1 - MAKE CONNECTIONS How do the molecules that...Ch. 35.1 - Prob. 3CCCh. 35.2 - Prob. 1CCCh. 35.2 - Explain how memory cells strengthen the immune...Ch. 35.2 - WHAT IF? If both copies of a light-chain gene and...Ch. 35.3 - Prob. 1CCCh. 35.3 - Prob. 2CCCh. 35.3 - Prob. 3CCCh. 35 - Prob. 1TYU
Ch. 35 - Prob. 2TYUCh. 35 - Prob. 3TYUCh. 35 - Prob. 4TYUCh. 35 - Prob. 5TYUCh. 35 - Prob. 6TYUCh. 35 - Prob. 7TYUCh. 35 - DRAW IT Consider a pencil-shaped protein with two...Ch. 35 - MAKE CONNECTIONS Contrast clonal selection with...Ch. 35 - Prob. 10TYUCh. 35 - FOCUS ON EVOLUTION Describe one invertebrate...Ch. 35 - Prob. 12TYUCh. 35 - Prob. 13TYU
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- Draw a schematic diagram of a typical IgG molecule and label each of the following parts: H chains, L chains, intrachain disulfide bonds, hinge, Fab, Fc, and all the domains. Indicate which domains are involved in antigen binding.arrow_forwardBased on the constant region of the antibodies there are only five iso-types of the antibodies, while millions of different Variable region domains in the variable part of the antibodies. why?arrow_forwardSketch a B cell antigen receptor. Label the V and C regions of the light and heavy chains. Label the antigenbinding sites, disulfide bridges, and transmembrane region. Where are these features located relative to the V and C regions?arrow_forward
- There are five major classes of antibodies. Complete the two below.arrow_forwardIllustrate the structure of an antibody molecule. Label the constant and variable regions, the Fc and Fab parts, and the heavy and light chains.arrow_forwardWeigh the following observation: High titers of antibodies for EBVare found in a leukemia patient; a chronically tired, ill businessman; a healthy military recruit; and an AIDS patient. Comment on theprobable significance of antibodies to EBV in human serum.arrow_forward
- 1. Antigens are made up of specific sequences of amino acids called ----- that determine their structure. A. epitopes B. multivalent sites C. paratropes D. constant regions 2. Which scenario best describes antibody cross-reactivity? A. A single pathogen with multiple epitopes is recognized by a multivalent antibody. B. Multipleepitopes are recognized by multiple antibodies C. A single epitope is recognized by multiple antibodies D. Two distinct, but structurally similar epitopes are recognized by the same antibody 3. What is the major benefit of cross-reactivity? A. Cross-reactivity permits the allergic response. B. Cross-reactivity promotes a faster immune response against unrelated pathogens. C. Cross-reactivity enhances immunity by providing protection against related pathogens. D. Cross-reactivity allows the immune system to respond to pathogens in various locations within the host (i.e., skin, mucosal tissues, extracellular fluids, etc.)arrow_forwardAll of the antibodies are shown with just one antigen binding site occupied. If a single antibody bound to two bacteriophages, how would this affect the results?arrow_forwardThere are five major classes of antibodies. Complete the three below.arrow_forward
- Before the mechanism for generating antibody diversity had been established, a mechanism based on protein folding around an antigen was proposed, primarily by Linus Pauling. In this model, antibodies that had different specificities had the same amino acid sequence but were folded in different ways. Propose a test of this model.arrow_forward1.A given B cell expresses only maternally or paternally derived heavy chains but never both. This observation is the result of A. antibodydiversity.B. isotypeswitching.C. allelicexclusion.D. affinitymaturation.E. randomVJgenerearrangement. 2.Which of the following antibody classes or isotypes facilitate the sequential binding of the C1, C4, C2, and C3 components of the complement system? A. IgAandIgD B. IgAandIgE C. IgDandIgM D. IgE and IgG E. IgMandIgGarrow_forwardSelect all of the following that are functions performed by different antibodies. ( select all the correct answers) Group of answer choices a) Attracting natural killer cells to destroy an infected cell. b) Blocking the ability of a pathogen to bind to a host cell c) Lysing a pathogen cell wall or lipid bilayer. d) Marking a pathogen so that innate immune cells destroy the pathogen. e) Helping complement proteins bind to a pathogen.arrow_forward
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