BIOLOGY CONNECT ACCESS CARD 1-SEMESTER
12th Edition
ISBN: 9781264019090
Author: Raven
Publisher: MCG/CREATE
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Textbook Question
Chapter 50, Problem 2A
In comparing T-cell receptors and immunoglobulins
a. the proteins have unrelated structures, but diversity is generated by a similar mechanism.
b. the proteins have related structures, but diversity is generated by different mechanisms.
c. the proteins have related structures, and diversity is generated by a similar mechanism.
d. the proteins have unrelated structures, and diversity is generated by different mechanisms.
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Students have asked these similar questions
Superantigensa) are exceptionally large antigen molecules.b) cause a very large antibody response.c) elicit a response from a large number of T cells.d) attach non-specifically to B-cell receptors.e) assist in a protective immune response.
The process of generating the diversity of T cell receptors as t cells mature is done how?
a. through inherited exposure to antigens in utero
b. None of these
c. Through a process of exposure to antigens from the environment
d. Through random recombination of the genes used to code for T cell receptors
Explain why each choice (a-d) is correct or incorrect.
T cells are differentiated into two groups based on their glycoproteins CD4 or CD8. Which of the following is true of CD4 T cells?
a. They become cytotoxic T cells.
b. The become antigen presenting cells.
c. They become T helper cells.
d. They become plasma cells.
Chapter 50 Solutions
BIOLOGY CONNECT ACCESS CARD 1-SEMESTER
Ch. 50.1 - Prob. 1LOCh. 50.1 - Prob. 2LOCh. 50.1 - Prob. 3LOCh. 50.2 - Prob. 1LOCh. 50.2 - Prob. 2LOCh. 50.2 - Prob. 3LOCh. 50.3 - Prob. 1LOCh. 50.3 - Prob. 2LOCh. 50.4 - Explain how antibody diversity is generated.Ch. 50.4 - Prob. 2LO
Ch. 50.4 - Prob. 3LOCh. 50.5 - Define autoimmune diseases.Ch. 50.5 - Prob. 2LOCh. 50.6 - Explain antigenantibody reactions in the ABO blood...Ch. 50.6 - Prob. 2LOCh. 50.6 - Prob. 3LOCh. 50.7 - Prob. 1LOCh. 50.7 - Prob. 2LOCh. 50 - How would a high level of HCG present in a urine...Ch. 50 - What would happen if an NK cell killed a virally...Ch. 50 - Prob. 2IQCh. 50 - Prob. 3IQCh. 50 - Prob. 4IQCh. 50 - Cells that target and kill body cells infected by...Ch. 50 - Structures on invading cells recognized by the...Ch. 50 - Which one of the following acts as the alarm...Ch. 50 - Prob. 4UCh. 50 - Receptors that trigger innate immune responses a....Ch. 50 - Diseases in which the persons immune system no...Ch. 50 - Suppose that a new disease is discovered that...Ch. 50 - You start a new job in a research lab. The lab...Ch. 50 - In comparing T-cell receptors and immunoglobulins...Ch. 50 - If you have type AB blood, which of the following...Ch. 50 - Suppose that you get a paper cut while studying....Ch. 50 - If you wanted to cure allergies by bioengineering...Ch. 50 - Why do we need to be repeatedly vaccinated for...Ch. 50 - Prob. 7ACh. 50 - Suppose you take a job in the marketing department...Ch. 50 - Prob. 2SCh. 50 - Prob. 3SCh. 50 - Toll-like receptors have been found in a wide...
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- A good example of molecular mimicry is a. Decreased number of regulatory T cells in aging. b. The release of antigen sites of immune privilege. c The immune system attacks autoantigens because they are similar to bacterial antigens. d. Similarities between the shape of immune cells and pathogens.arrow_forwardWhich statement describes a limitation of T-cell receptors (TCRs) compared to B-cell receptors (BCRs)? A.) only BCRs can interact with epitopes on free antigens or epitopes B.) displayed directly on the pathogen C.) only BCRs can initiate a pathogen-specific immune response D.) only BCRs recognize pathogen epitopesarrow_forwardExplain the mechanisms by which antibody diversity and T-cell receptor diversity are achieved.arrow_forward
- How is clonal selection related to the vast number of possible B and T-cell receptor binding conformations? Draw a picture to illustrate your explanation.arrow_forwarda.) compare and contrast innate and adaptive immunity. b.) explain why cooperation between innate and adaptive immunity helps enhance the immune response. please be sure to answer the question in detailarrow_forwardCompare the functions of CD4+ T-cells and CD8+ T-cells . Clearly explainwhy there is a need for T-cells with these different functionsarrow_forward
- Give typing answer with explanation and conclusion how is the development of autoimmunity normally prevented? a. T lymphocytes require a specific set of cytokine signals to become activated b. regulatory T cells suppress autoimmune responses c. clonal deletion of T cells and regulatory T cell suppression prevent auto reactive T cell activation d. clonal deletion of T cells, lack of necessary cytokine signals, and regulatory T cell suppression prevent activation of auto reactive T cellsarrow_forwardWhich of the choices is required to activate a helper T cell, which in turn can stimulate antibody production by B cells? A)An antibody displayed by a major histocompatibility complex protein B)A major histocompatibility complex protein alone C)An antigen displayed by a major histocompatibility complex protein D)An antigen alonearrow_forwardHow does the design of CAR T-cell therapies address the limitation of requiring 2 signals for full T cell activation?arrow_forward
- a. Define epitope; compare polyclonal antibodies to monoclonal antibodies. b. Describe an immunoassay (and the steps involved) in which you could detect the presence of a particular antigen. c. Describe an immunoassay (and the steps involved) in which you could detect the presence of a particular antibody.arrow_forwardWhich of the following might explain why some individuals lack the ability to make enough T-cells? a. A mutation in a gene necessary for T-cell fucntions that prevents Exportin from binding to mRNA b. A mutation in the core promoter of a specific gene necessary for T-cell functions c. A mutation in a gene necessary for T-cell fucntions that prevents N-linked glycosylation d. A mutation in a gene necessary for T-cell fucntions that leads to a change in a splice site e. Any of these is possiblearrow_forwardThe Fab regions of an antibody are made of which protein chain? A) a heavy chain containing only constant regions B) a light chain containing variable and constant regions C) a heavy chain containing variable and constant regions D) both a light chain and a heavy chain containing variable and constant regions E) both a light chain containing variable and constant regions and a heavy chain containing only constant regionsarrow_forward
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