Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 51, Problem 5A
If you wanted to cure allergies by bioengineering an antibody that would bind and disable the antibody responsible for allergic reactions,
which of the following would you target?
a. IgG
b. IgA
c. IgE
d. IgD
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Students have asked these similar questions
Explain why each choice (a-d) is correct or incorrect.
Allergens differ from antigens because
a. Allergens produce an abnormally large immune response to what is an otherwise harmless particle.
b. Allergens do not involve the leucocytes, they simple stimulate the inflammatory response.
c. Allergens are only active seasonally and are generally harmless to the body.
d. Allergens are primarily plant derived while antigens are bacterial or viral in nature.
which one of the following properties of antibodies is NOT dependant on the structure of the heavy-chain constant region?
A. ability to cross the placenta
B. isotype (class of antibody)
C. ability to fix complement
D. affinity for drug
Which of the following is NOT a way that an antibody can destroy a bacterial cell?
a. Agglutination
b. Lysis via complement fixation
c. Lysis via opsonization
d. Direct lysis
Chapter 51 Solutions
Biology
Ch. 51 - Cells that target and kill body cells infected by...Ch. 51 - Structures on invading cells recognized by the...Ch. 51 - Which one of the following acts as the alarm...Ch. 51 - Prob. 4UCh. 51 - Receptors that trigger innate immune responses a....Ch. 51 - Diseases in which the persons immune system no...Ch. 51 - Suppose that a new disease is discovered that...Ch. 51 - You start a new job in a research lab. The lab...Ch. 51 - In comparing T-cell receptors and immunoglobulins...Ch. 51 - If you have type AB blood, which of the following...
Ch. 51 - Suppose that you get a paper cut while studying....Ch. 51 - If you wanted to cure allergies by bioengineering...Ch. 51 - Why do we need to be repeatedly vaccinated for...Ch. 51 - Prob. 7ACh. 51 - Suppose you take a job in the marketing department...Ch. 51 - Prob. 2SCh. 51 - Prob. 3SCh. 51 - Toll-like receptors have been found in a wide...
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- Which of the following statements is true? A. Hypersensitivity requires previous exposure to an antigen B. Hypersensitivity is due to the presence of a virus. C. Hypersensitivity occurs in the absence of an antigen. D. Hypersensitivity is synonymous with the term " infection". E. Hypersensitivity occurs when an individual is exposed to an allergen for the first time.arrow_forwardImmunoglobins help eliminate the pathogen through the process of: A. Release of hydrolytic enzymes on the pathogen B. Agglutination and precipitation C. Direct phagocytosis D. Activating plateletsarrow_forwardThe five classes (isotypes) of immunoglobulins comprise Select one: a. IgA, IgD, IgE, IgG, IgM b. IgA, IgC, IgD, IgE, IgG c. IgA, IgD, IgE, IgH, IgM IgA, IgD, IgE, IgG, IgK d. e. IgA, IgD, IgE, IgG, IgSarrow_forward
- A 41-year-old man has a penetrating injury to his right eye. A month later he has worsening vision in his left eye. Through which of the following immunoogic mechanisms has his vision in the left eye been reduced? a.Release of sequestered antigens b.Hypogammaglobulinemia c.Molecular mimicry d.T lymphocyte anergyarrow_forwardTuberculosis is a chronic respiratory condition caused by Mycobacterium tuberculosis, a high contagious bacterium. People with tuberculosis will often have a persistent (sometimes bloody) cough, fatigue, weight loss, and fever. M. tuberculosis produces a protein we will call “X”. A new test for tuberculosis checks for X antibodies in a person’s blood. If the antibodies are present, the result is “positive.” Why would X antibodies be present in someone’s blood? What specific kind of cells would produce them?arrow_forwardWhat class of antibodies is normally found in the mucosa of the respiratory tract? a. IG-A b. IG-D c. IG-M d. IG-Garrow_forward
- Define the following terms: a. tus-ter complex b. chimera c. MHC antigens d. helices e. primerarrow_forwardA researcher performs an experiment where he infects 2 mice (Mouse A and Mouse B) with herpes simplex virus (HSV). To measure the cytotoxicity of CD8+ T cells from Mouse A, he isolates CD8+ T cells from Mouse A and co-cultures them with a mixture of HSV-infected spleen cells from Mouse B. A day later, he checks the co-culture, but none of the infected spleen cells from Mouse B have been killed. What could explain this observation? a.Mouse B does not express the invariant chain (Ii) b.Mouse A and Mouse B express different MHC alleles c.Mouse A does not express TLR2/6 d.HSV immunoevasins block MHC-II expressionarrow_forwardwhich of the following can be used to stimulate an organism's immune system? A. Restriction Enzymes B. DNA Ligase C. Sticky Ends D. Monoclonal Antibodiesarrow_forward
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