CAMPBELL BIOLOGY IN FOCUS (LL)-W/MOD.MA
3rd Edition
ISBN: 9780135686065
Author: Urry
Publisher: PEARSON
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Chapter 35, Problem 4TYU
Summary Introduction
Introduction:
The identical twins are also called the monozygotic twins and are produced as result of the cleaving of the zygote to produce two zygotes of same genotype. These twins share similar genome because they arise from a single cell.
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Why must antibody treatments like ZMapp be composed of monoclonal antibodies instead of polyclonal antibodies?
a. Therapeutic antibodies must all bind the same epitope.
b. Therapeutic antibodies must NOT all bind the same epitope.
c. Monoclonal antibodies have much higher binding affinity than polyclonal antibodies.
d. Monoclonal antibodies have much lower binding affinity than polyclonal antibodies.
e. Monoclonal antibodies can be produced indefinitely; polyclonal antibodies can only be produced for a short time.
IS it B? Can you please explain
Explain why each choice (a-d) is correct or incorrect.
In clonal selection of B cells, which substance is responsible for determining which cells will eventually become clones?
a. Antigen
b. Interferon
c. Antibody
d. Complement
Which of the following statements about T cells is false? a. Helper T cells release cytokines while cytotoxic T cells kill the infected cell. b. Helper T cells are CD4+, while cytotoxic T cells are CD8+. c. MHC II is a receptor found on most body cells, while MHC I is a receptor found on immune cells only. d. The T cell receptor is found on both CD4+ and CD8+ T cells.
Chapter 35 Solutions
CAMPBELL BIOLOGY IN FOCUS (LL)-W/MOD.MA
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
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- What are the glycoproteins used to identify and distinguish white blood cells? a. MHC I b. B-cell receptor c. T-cell receptor d. Cluster of differentiationarrow_forwardJay, a young dad, takes his baby to the pediatrician several times in the first year of the child’s life. These visits will stimulate the baby to make memory cells against specific antigens. Why are these visits necessary? a. The baby is being vaccinated. b. The visits verify that the baby has a normal inflammatory response. c. The baby must have an unusual immune deficit that must be monitored. d. The baby’s blood is being filtered to remove foreign antigen.arrow_forwardAntibodies against a specific antigen can be injected into a person to provide passive immunity. For which reason is this NOT as effective as the process of vaccination with that antigen? Select one: a. Injection of antibodies may cause allergic reactions, while vaccination never causes allergic reactions. b. Injection of antibodies does not provide long-lasting immunity, and vaccination with antigens triggers a clonal selection of B cells and cytotoxic T cells. c. Vaccination with antigens triggers a clonal selection of B cells and cytotoxic T cells. d. Injection of antibodies does not provide long-lasting immunity. e. Injection of antibodies does not provide long-lasting immunity and may cause allergic reactions, while vaccination never causes allergic reactions.arrow_forward
- All of the following events occur within germinal centers except Select one: a. B cells are activated by CD4 helper T cells b. isotype switching C. somatic hypermutation d. affinity maturation Quiz navigationarrow_forwardWhich of the following sudden changes might be a result of an infection? a. increase in the activity of white blood cells b. decrease in the activity of antigens produced by the mitochondria c. decrease in the amount of DNA present in the nuclei of cells d. increase in the number of red blood cellsarrow_forwardSuppose a person recovers normally from viral infections, but then gets the same viral infections over and over again- unlike the rest of us. A. What is probably wrong –B cells, helper T cells and/or cytotoxic T cells? B. Should this person be at a higher risk of cancer than the rest of us? C. Should this person be able to lyse bacterial cells as well as the rest of us? D. Should this person tolerate a graft (from an unreated person) better than you are me?arrow_forward
- An essential property of the immune system is self-regulation. An immune response that is not adequate can lead to immunodeficiency, whereas an immune response that is excessive can lead to conditions from allergic responses to autoimmune diseases. Which of these is not an example of a breakdown of the self-regulation of the immune system?a. Multiple sclerosisb. Huntington diseasec. Systemic lupusd. Fibromylagiaarrow_forwardHow is the cytotoxic T cell mechanism of action similar to that of complement? A. Cytotoxic T cells secrete the proteins that activate complement. В. Cytotoxic T cells induce cell lysis with perforin, a protein similar to complement's MAC. C. Cytotoxic T cells activate B cells to produce antibodies. D. Cytotoxic T cells are antigen-presenting cells similar to the complement proteins found on B cells.arrow_forwardIf 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. IgGb. IgAc. IgEd. IgDarrow_forward
- Anti-A antibody will react with cells with: a. A-Antigen b. B-antigen OC. C-antigen d. D-antigenarrow_forwardWhich statement is incorrect?a. IgG is the most abundant antibody in bloodb. Antibodies can exist at the surface of a B cell, or circulate freely in blood.c. IgM is found in the lining of the genitourinary, gastrointestinal and respiratory tractsd. IgE is involved allergic reactionse. Macrophages are involved in chronic infectionsarrow_forwardWhich DOES NOT describe monoclonal antibodies? Group of answer choices a. Monoclonal antibodies are produced in test tubes by hybridoma cells b. Monoclonal antibodies are specific to multiple antigens c. These antibodies are used in diagnostic tests d. The antibody producing cells may come from a non-human sourcearrow_forward
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