BIOLOGY 12TH ED (LL) W/ CONNECT
12th Edition
ISBN: 9781264898091
Author: Raven
Publisher: MCG
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Chapter 50, Problem 1IQ
What would happen if an NK cell killed a virally infected target cell by simply causing the cell to burst, releasing all the cell contents into the tissues?
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Under what circumstances might NK cells kill our own cells?
Molly was running a high fever accompanied by a sore throat and fatigue. When she told the doctor that her boyfriend had developed the same symptoms, she was asked to get some tests done. The reports revealed swollen lymph nodes and an enlarged spleen. Name the virus that was responsible for Molly’s condition. Which cells does this virus attack?
Chapter 50 Solutions
BIOLOGY 12TH ED (LL) W/ CONNECT
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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- Cells called histiocytes are specialized phagocytes which remain within certain tissues. O 1) True O 2) Falsearrow_forwardRemoval of apoptotic cells are done by: Question 6 options: a) phagocytes or neighboring cells. b) circulatory system sweeping away the fragmented cells. c) fragmentation of the cell into small enough pieces that they are swept away by extracellular fluid. d) fusion of the apoptotic cell to neighboring cells to form multinucleate cells. e) migration of the apoptotic cells from the tissue to the lymphatic system to be flushed out.arrow_forwardWhat is Natural killer (NK) cells?arrow_forward
- Among 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_forwardAntibodies play a critical role in the prevention of infection by the specific viruses the antibody is designed to detect. Which immune system cell produces antibodies? Indicate four ways that antibodies can disrupt the ability of a virus to infect a cell. PLEASE ANSWER ALL PARTS TO THIS QUESTIONarrow_forwardIgE binds to which of these cell types to trigger allergic responses? O 1) B cell O 2) neutrophil O 3) mast cell 4) Monocytearrow_forward
- Emil has fallen and scratched a wound on his knee. After a while, the knee swells and aches at the same time as it was pushing out of the wound. One week later, the wound has healed and the swelling is gone. Explain what happens in the comic strip below, from Figure 1-6. The following words should be used in the descriptive text; phagocytosis, pattern recognition receptors, pathogen associated molecular patterns, antigen presenting cell, migration, neutrophil, antigen, antibody, opsonization, MAC complex, mechanical barrier, microorganism, lymphatic vessel, memory T cell, helper T cell, B cell, memory B-cell, blood vessel, cardinal sign, lymph node, MHC, T-cell receptor, cell clone, complement, specificity, dendritic cell, macrophage, opsonin, plasarrow_forwardImmune system protects our body from illnesses. a) Complete the table below to show the differences between the cells of the immune system involved in humoral immune response and cell-mediated immune response. Description Humoral immune response Cell-mediated immune response Origin of cells Primary cells Site of cell maturation b) What is the effect of an antigen on B cells? c) Name the substance that is secreted by macrophages and leucocytes to trigger immune responsed) State the effect of the substance named in (c) in immune response.arrow_forwardDraw a figure illustrating the sequence of events in a typical inflammatory response to a bacterial infection caused by injury to the skin (in 3 main stages). Include a note at top of figure: Is this an example of an innate response or adaptive immune response? Include the following structures/cells/chemicals: epidermis, dermis, splinter contaminated with bacteria puncturing skin, macrophages, mast cells, neutrophils, nitric oxide (as blue dots), endothelial cells lining capillary, red blood cells within capillary, histamine (as green dots). Under each stage, describe the events occurring in the 3 main stages: Stage 1: What do mast cells and endothelial cells produce in initial response to injury? What do the chemicals produced by the cells do? Stage 2: What happens to capillaries? What leaks out of capillaries to enter the site of the wound? Stage 3: What do neutrophils and macrophages do? What happens to capillaries at this point?arrow_forward
- a) As a scientist trying to cure allergies, you would be happy to discover a drug that destroys all mast cells. How can this medicine help prevent allergies? What negative side effects can this drug have?b) Compare the defense mechanisms that occur in response to bacterial and viral pneumonia.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_forwardB-cell activation requires ____ b) antigens binding only c) antigen binding, antibody production, and co-stimulationarrow_forward
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