Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 24.5, Problem 2TQ
Summary Introduction
To review:
Differences in stem cell and B cell at the DNA (deoxyribonucleic acid) level.
Introduction:
B (bursa of Fabricius or bone marrow) lymphocytes or B cells of the adaptive immune system are derived from progenitor lymphoid stem cells. The process by which a lymphoid stem cell converts into a mature B cell involves a series of changes at the DNA level. This initiates a program of expression and deletion of certain genes. These changes are essential to help the B cells respond to numerous antigens.
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Chapter 24 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 24.1 - Prob. 1TQCh. 24.1 - Prob. 2TQCh. 24.1 - Prob. 3TQCh. 24.2 - Prob. 1TQCh. 24.2 - Prob. 2TQCh. 24.2 - Prob. 3TQCh. 24.2 - Prob. 4TQCh. 24.2 - Prob. 5TQCh. 24.3 - Prob. 1TQCh. 24.3 - Prob. 2TQ
Ch. 24.3 - Prob. 3TQCh. 24.4 - Prob. 1TQCh. 24.4 - Prob. 2TQCh. 24.5 - Prob. 1TQCh. 24.5 - Prob. 2TQCh. 24.6 - Prob. 1TQCh. 24.6 - Prob. 2TQCh. 24 - Prob. 1RQCh. 24 - Prob. 2RQCh. 24 - Prob. 3RQCh. 24 - Prob. 4RQCh. 24 - Prob. 5RQCh. 24 - Prob. 6RQCh. 24 - Prob. 7RQCh. 24 - Prob. 8RQCh. 24 - Prob. 9RQCh. 24 - Prob. 10RQCh. 24 - Prob. 11RQCh. 24 - Prob. 12RQCh. 24 - Prob. 13RQCh. 24 - Prob. 14RQCh. 24 - Prob. 15RQCh. 24 - Prob. 16RQCh. 24 - Prob. 17RQCh. 24 - Prob. 18RQCh. 24 - Prob. 19RQCh. 24 - Prob. 20RQCh. 24 - Prob. 1TQCh. 24 - Prob. 2TQCh. 24 - Prob. 3TQCh. 24 - Prob. 4TQCh. 24 - Prob. 5TQ
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- List and describe the 6 stages of phagocytosis.arrow_forwarda) In some cases the phagocytosis failed. formulate 2 hypothesis to explain the origin of this failure? b) Name in this case, the cells that will be involved to help the body.arrow_forward33) During maturation, B cells expand their endoplasmic reticulum. What is the function of this? A) The endoplasmic reticulum is needed to promote genetic recombination during maturation B) An enlarged endoplasmic reticulum is needed to accommodate enhanced secretion of antibodies C) The extra membrane is needed for phagocytosis of pathogens D) The endoplasmic reticulum contributes to epithelial mesenchymal transition of B cells during maturation E) B cells secrete large amounts of extracellular matrix proteins to promote wound repairarrow_forward
- What are two types of long-lived cells derived from the B cell lineage? Where are these cells located + what is their function?arrow_forwardWhat is apoptosis and how is it utilized as a quality control mechanism in cellular and humoral immune responses?arrow_forwardWhat is the purpose of inflammation?arrow_forward
- Describe how microfilaments and microtubules areinvolved in the phagocytosis and destruction of apathogen by a macrophage.arrow_forwardOutline the events that occur during phagocytosis and inflammationarrow_forwardAmong the pointed parts, which structure will the proliferation of lymphocytes occur while substances are removed by phagocytosis? Structure labelled A Structure labelled D Structure labelled E Structure labelled Carrow_forward
- Which cell type would likely be the first to attack a tumor even though it does not have specific antigen receptors?arrow_forwardWhich statement best summarizes the two types of cells that B cells differentiate to form? a.) B cells can become plasma cells, which formm antibodies, or memory cells, which help mount an immune response quickly if a pathogen infects the host again. b.) B cells can become plasma cells, which coordinate cell-mediated immunity, or memory cells, which are responsible for endocrine signaling. c.) B cells can become memory cellsm which coordinate cell-mediated immunity, or plasma cells, which are responsible for endocrine signaling/ d.) B cells can become memory cells, which form antibodies, or plasma cells, which help mount an immune response quickly if a pathogen infects the host again.arrow_forwardDiagram the process of phagocytosis, separately for neutrophils and macrophages. Briefly describe all steps of the process.arrow_forward
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