Structure and Function of Bacterial Cells Part 1
... 1. General properties • Flagella are long whiplike filaments composed of protein that originate in the cell membrane. • Flagella rotate and impart swimming movement on the cells ...
... 1. General properties • Flagella are long whiplike filaments composed of protein that originate in the cell membrane. • Flagella rotate and impart swimming movement on the cells ...
The Inflammatory Response
... 2. TRANSDUCTION – This causes the receptor protein to change shape. Now the signal is changed into another form that the cell can recognize that will cause it to respond in a specific way. – This may occur in multiple steps called a CASCADE. ...
... 2. TRANSDUCTION – This causes the receptor protein to change shape. Now the signal is changed into another form that the cell can recognize that will cause it to respond in a specific way. – This may occur in multiple steps called a CASCADE. ...
The Immune System
... The actual cause of this disease is unknown and there is a tendency for such diseases to be inherited. MS (multiple sclerosis) is a condition which affects the myelin covering of nerve fibers. Rheumatoid arthritis is a chronic autoimmune disease that affects the bone and tissue of joints in the body ...
... The actual cause of this disease is unknown and there is a tendency for such diseases to be inherited. MS (multiple sclerosis) is a condition which affects the myelin covering of nerve fibers. Rheumatoid arthritis is a chronic autoimmune disease that affects the bone and tissue of joints in the body ...
Pathogenesis of Bacterial Infections
... I. Pathogenicity – The ability of any bacterial species to cause disease in a susceptible human host. II. Pathogen – A bacterial species able to cause such disease when presented with favorable circumstances (for the organism). III. Virulence – A term which presumes pathogenicity but allows expressi ...
... I. Pathogenicity – The ability of any bacterial species to cause disease in a susceptible human host. II. Pathogen – A bacterial species able to cause such disease when presented with favorable circumstances (for the organism). III. Virulence – A term which presumes pathogenicity but allows expressi ...
Chapter 43:The Body`s Defenses - Volunteer State Community
... by the receptors on the surface or by free antibodies that have synthesized & secreted by B cells. • T cell receptors are just as specific but are never secreted. • A single B or T lymphocyte bears about 100,000 antigen receptors, all with exactly the same specificity. ...
... by the receptors on the surface or by free antibodies that have synthesized & secreted by B cells. • T cell receptors are just as specific but are never secreted. • A single B or T lymphocyte bears about 100,000 antigen receptors, all with exactly the same specificity. ...
(+) Virulence Factors and Diseases
... Short-chain mycolic acid in wall (hint - Mycobacterium) Only B-phage-lysogenized strains are virulent… Tox gene makes A-B exotoxin - 1 of many examples… B = binds host receptor, translocates protein into cell A = catalytic, inactivates EF2 ribosome/translation factor Host receptor = heart and nerve ...
... Short-chain mycolic acid in wall (hint - Mycobacterium) Only B-phage-lysogenized strains are virulent… Tox gene makes A-B exotoxin - 1 of many examples… B = binds host receptor, translocates protein into cell A = catalytic, inactivates EF2 ribosome/translation factor Host receptor = heart and nerve ...
Cellular Biology
... Immunogens vs. antigens Antigenic determinant (epitope) Self-antigen Tolerance ...
... Immunogens vs. antigens Antigenic determinant (epitope) Self-antigen Tolerance ...
C11 Cell Communication
... Cells communicate locally and over distances. Signal transduction pathway – process by which a signal on a cell’s surface is converted into a specific cellular response Local regulator – substance that influences nearby cells, ex. growth factors stimulate nearby target cells to grow and multiply. Ca ...
... Cells communicate locally and over distances. Signal transduction pathway – process by which a signal on a cell’s surface is converted into a specific cellular response Local regulator – substance that influences nearby cells, ex. growth factors stimulate nearby target cells to grow and multiply. Ca ...
The Immune System
... rapidly, producing large #s of plasma cells and memory B cells Plasma cells release antibodies, proteins that recognize and bind to antigens Antibodies carried in the bloodstream to attack pathogens Once body is exposed to a pathogens, millions of memory B cells remember how to produce antibodies ...
... rapidly, producing large #s of plasma cells and memory B cells Plasma cells release antibodies, proteins that recognize and bind to antigens Antibodies carried in the bloodstream to attack pathogens Once body is exposed to a pathogens, millions of memory B cells remember how to produce antibodies ...
Lecture #19 Date
... • TC cell releases perforin, a protein that forms pores in the target cell membrane; cell lysis and pathogen exposure to circulating antibodies ...
... • TC cell releases perforin, a protein that forms pores in the target cell membrane; cell lysis and pathogen exposure to circulating antibodies ...
Effect of Sugar Intake on Phagocytosis
... the physiological mechanisms of fighting germs are stimulated at the same time a fever is reduced, the act of bringing down the fever is a result of lessening toxicity, a thing of the ...
... the physiological mechanisms of fighting germs are stimulated at the same time a fever is reduced, the act of bringing down the fever is a result of lessening toxicity, a thing of the ...
Granulocytes: Neutrophils/Eosinophils/Basophils
... all is embedded in a stroma containing DC + MØ’s *thymus generates T cells with large diversity of TCR’s; destroys those T cells which react with self Ag’s and those which cannot recog Ag/MHC ...
... all is embedded in a stroma containing DC + MØ’s *thymus generates T cells with large diversity of TCR’s; destroys those T cells which react with self Ag’s and those which cannot recog Ag/MHC ...
NAME ______KEY______ ECA Review Answer each of the
... 42. The Giant Anteater of South America, the Giant Armadillo of North America, the Giant Pangolin of Africa, and the Spiny Anteater of Oceania share many characteristics. They all eat ants, have long narrow snouts, few teeth, and large salivary glands, yet they do not share a common ancestor. This i ...
... 42. The Giant Anteater of South America, the Giant Armadillo of North America, the Giant Pangolin of Africa, and the Spiny Anteater of Oceania share many characteristics. They all eat ants, have long narrow snouts, few teeth, and large salivary glands, yet they do not share a common ancestor. This i ...
REGULATION OF THE IMMUNE RESPONSE
... prevent damaged cells being replicated such cells: - die by apoptosis, - Enter cell arrest, known as cellular senescence. • T cells in elderly people have significantly shorter telomeres than young ones, • People with some premature ageing syndromes have short telomeres and usually have low life exp ...
... prevent damaged cells being replicated such cells: - die by apoptosis, - Enter cell arrest, known as cellular senescence. • T cells in elderly people have significantly shorter telomeres than young ones, • People with some premature ageing syndromes have short telomeres and usually have low life exp ...
The Human Immune response
... The third line of defense is specific and consists of lymphocytes. There are two typ of lymphocytes, B lymphocytes and T lymphocytes. Both originate in the bc marrow. Once mature, both cell types circulate in the blood, lymph, and lympha tissue: spleen, lymph nodes, tonsils, and adenoids. Both recog ...
... The third line of defense is specific and consists of lymphocytes. There are two typ of lymphocytes, B lymphocytes and T lymphocytes. Both originate in the bc marrow. Once mature, both cell types circulate in the blood, lymph, and lympha tissue: spleen, lymph nodes, tonsils, and adenoids. Both recog ...
Immune System
... The Thymus gland stores lymphocytes until they mature and then are released to defend the body. ...
... The Thymus gland stores lymphocytes until they mature and then are released to defend the body. ...
Slide 1
... host cell membrane. They inject their DNA (instruction for making more viruses) inside the cell. They use the cell’s machinery to reproduce, they rupture (burst) the host cell. ...
... host cell membrane. They inject their DNA (instruction for making more viruses) inside the cell. They use the cell’s machinery to reproduce, they rupture (burst) the host cell. ...
Immunological Disorders There are three types of immunological
... Tuberculin skin test – a positive test results when circulating antibodies (which are only present if the person has been exposed) bind to the protein antigens of the tuberculosis bacteria introduced under the skin - The redness results mainly from sensitized T-cell reactions, the release of cytokin ...
... Tuberculin skin test – a positive test results when circulating antibodies (which are only present if the person has been exposed) bind to the protein antigens of the tuberculosis bacteria introduced under the skin - The redness results mainly from sensitized T-cell reactions, the release of cytokin ...
Humoral Immunity
... specific immune response. • A group of cells called Antigen presenting cells (APC) activate the acquired immune system. • Macrophages, Dendritic cells and B-cells are ...
... specific immune response. • A group of cells called Antigen presenting cells (APC) activate the acquired immune system. • Macrophages, Dendritic cells and B-cells are ...
9280 poster.indd
... What happens when a cell comes into contact with a surface? Cells that come into contact with a surface do so through an adsorbed layer of proteins. These proteins are present in the blood and adsorb on the surface within a matter of a few seconds. Biocompatibility is, at least in part, directed by ...
... What happens when a cell comes into contact with a surface? Cells that come into contact with a surface do so through an adsorbed layer of proteins. These proteins are present in the blood and adsorb on the surface within a matter of a few seconds. Biocompatibility is, at least in part, directed by ...
Immunity_Hypersensitivity_Allergy_and_Autoimmune_Diseases
... • Mechanism by which body rejects transplanted organs • Means of eliminating abnormal cells that arise spontaneously in cell division ...
... • Mechanism by which body rejects transplanted organs • Means of eliminating abnormal cells that arise spontaneously in cell division ...
Antigen design and administration
... bind the complex, Interleukin 2 is secreted by the cell which results in proliferation of that class of T-cell. At the same time as this is happening with the T-cell, The B-cells are also engulfing and degrading the antigen, but these cells have an antibody like receptor that recognizes the particul ...
... bind the complex, Interleukin 2 is secreted by the cell which results in proliferation of that class of T-cell. At the same time as this is happening with the T-cell, The B-cells are also engulfing and degrading the antigen, but these cells have an antibody like receptor that recognizes the particul ...
