Drop each label into the appropriate box, indicating which class of immunoglobulin is being described. Some labels are used more than once. Functions in B cell activation In exocrine gland secretions Crosses placenta Defends against bacteria and viruses On surface of most B lymphocytes Defends against bacteria, viruses, and toxins IgA In breast milk, tears, nasal fluid, gastric juice, and urine Causes agglutination in transfusion reactions Promotes inflammation and allergic reactions Activates complement proteins IgG

Q: Which cells of the body would produce the antibodies that would attack SLE antigens? Macrophages O…

A: Answer:- Option B seems to be the correct choice. SLE is an abbreviated form for Systemic lupus…

Q: What body structure is the site of T cell maturation?

A: T cells are also known as T lymphocytes are a type of white blood cells which are essential for…

Q: Illustrate the structure of an antibody molecule. Label the constant and variable regions, the Fc…

A: An antibody, also referred to as an immunoglobulin, may be a Y-shaped structure which consists of 4…

Q: Transfer of immunoglobulins from mother to child during breastfeeding can protect the child from…

A: Answer Naturally acquired passive immunity

Q: Emil has fallen and scratched a wound on his knee. After a while, the knee swells and aches at the…

A: The entire activity of the immune system in tackling infection is depicted in the figure given.

Q: The process by which a B cell with the appropriate antibody selection antibiotic deletion clonal…

A: When an antigen reacts with specific receptors and B and T cell and allow to divide continuously in…

Q: True or False: In non-disseminated infections, Mycobacterium species are restrained by type-1…

A: In non-disseminated infections Mycobacterium species are restrained by type-1 responses which…

Q: Class II MHC proteins display what kind of antigens? What class of T cell recognizes antigens bound…

A: Introduction: The MHC (major histocompatibility complex) is a group of genes that encodes for a set…

Q: What type of molecules are produced by pathogens and stimulate an unregulated T cell activation in…

A: Pathogenicity represents a specialization in a certain microorganism to replicate and damage host…

Q: Which of the following is TRUE about interferons? Each interferon is specific for one type of virus…

A: The immune system of our body plays a critical role in fighting the pathogenic organism entering the…

Q: Determine which statement(s) are true/false NK cells are a type of lymphocyte involved in acquired…

A: Immunity to a disease is achieved through the presence of antibodies to that disease in a person's…

Q: 2. Identify the process shown in Diagram 2. What is the function of the T cell in this process?

A: Need to find the process of diagram 2 and the function of T cell in it.

Q: How are antibodies unique? Please discuss the structure of an antibody. What are the V and C…

A: The antibodies are unique their mechanism of action in response to an antigen. Antibodies are…

Q: The complement system can be directly activated by: macromolecules present on bacterial cells…

A: Introduction  The complement system, also referred to as the complement cascade, is a component of…

Q: Which type of immunoglobulin is present in tears, saliva, and breast milk? IgE IgA IgG IgM

A: Immunoglobulins, also known as antibodies, are proteins produced by the immune system to fight…

Q: Pick 2 of the following defenses of adaptive humoral immunity and describe them

A: Due to our answering policy, we can only answer one question at a time. Therefore, please post the…

Q: What is opsonization and how does it help phagocytes? Give an example of a molecule that acts as an…

A: Introduction: In type II hypersensitivity reactions, the host injury is mediated by antibodies (IgG…

Q: When a helper T cell releases interleukin-1 to stimulate other leukocytes during antigen…

A: The cells communicate through the mode of biochemical exchange. It is studied under the domain of…

Q: Why is the response to T-independent antigens important medically?

A: Importance of T independent antigen medically -- T cells  -- These are type of lymphocyte ,White…

Q: Indicate whether each of the cell components or processes given is involved in the processing and…

A: Antigens are the foreign proteins or any other substances that are present on microbes or changes in…

Q: T cells have to work in a partnership with an Antigen Presenting Cell (APC). Before this can occur,…

A: Antigen Presenting Cells (APC) are phagocytic cells which engulfs pathogens. Some example of APC are…

Q: How can C3b be both a product of complement activation and an activator of the complement system?

A: In a complement system, the presence of foreign pathogens triggers the C3 protein.

Q: Which of the following statements is TRUE about NK cells? Select an answer and submit. For keyboard…

A: Natural Killer (NK) cells are a type of cytotoxic immune cell that play a role in the rejection of…

Q: What is a PAMP an example of?     Dendritic cell Complement Antibody Antigen

A: Need to find the example of PAMP (Pathogen-associated molecular patterns)

Q: Match the best choice of information about immunoglobulliins with the IG match The answer options…

A: Immunoglobulin are antibody molecules which are made up of carbohydrates and proteins. They are main…

Q: What is the function of mucus in preventing infections? Group of answer choices To stimulate the…

A: Mucus is a aqueous layer that is secreted by the mucous membranes.

Q: Which of the following is true about the innate immune system? Check all that apply Phagocytosis…

A: Immunity is defined as all of the physiological mechanisms that allow a person's body to recognise…

Q: Which of the following steps are part of the processing of antigen by immune cells? Select all that…

A: Antigen processing It is also called the cytosolic pathway. It i.s an immunological process which…

Q: Place the following in the correct order by which the events would take place. 1. Phagocytosis of a…

A: The order would be: 1-4-5-3-2 So, the answer will be option 3)

Q: Ingestion of complement-tagged pathogens by phagocytes is mediated by receptors for the bound…

A: INTRODUCTION The complement system, also known as complement cascade, is a part of the immune system…

Q: The cytokine that activates macrophages, inhibits viral replication, and increases MHC Class I…

A: The cytokine that activate marcopahges, inhibits viral replication and increase MSH class 1…

Q: Q/ finger-like projections that arise from the epithelial layer in some organs are called Cilia O…

A: The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that…

Q: What scenario best describes an autoimmune reaction? Group of answer choices The destruction of…

A: The destruction of donated RBC by the recipient immune system is a hemolytic transfusion reaction.…

Q: Click and drag each characteristic into the appropriate category based on the lymphocyte it…

A: Each characteristic based on lymphocytes is placed into the appropriate category below in the table.

Q: Describe in chronological order the steps involved in the recruitment of neutrophils to infected…

A: Neutrophils are phagocytic cells of the immune system that destroy the invading pathogens. They…

Q: Explain what MALT is and describe where in the body it is found. What role does it play in the…

A: Any foreign protein, toxin of parasites, bacteria and viruses, when enter into the body, they…

Q: List 3 things that helper T cells do:

A: Thymus is the site where T-lymphocytes get mature. T-lymphocytes arises in bone marrow. when t-cells…

Q: Which class of antibodies functions as a dimer?   IgE IgG IgM Secretory IgA

A: Immunoglobulins or Ig molecules are synthesized and released by the B-lymphocytes or B-cells. It is…