Essays Tagged: "B cell"
The Immune System
The immune system is a group of cells, molecules, and tissues that help defend thebody against diseases and other harmful invaders. The immune system provides protectionagainst a var ... harmful invaders. The immune system provides protectionagainst a variety of potentially damaging substances that can invade the body. Thesesubstances include disease-causing organisms, such as bacter ... sesubstances include disease-causing organisms, such as bacteria, fungi, parasites, andviruses. The body's ability to resist these invaders is called immunity. A key feature of theimmune system is its ...
Subjects: Humanities Essays > Health & Medicine
Immune response
The immune system is a group of cells, molecules, and tissues that help defend the body against diseases and other harmful invaders. The immune system provides protection against a va ... harmful invaders. The immune system provides protection against a variety of potentially damaging substances that can invade the body. These substances include disease-causing organisms, such as bacte ... contains mucus that traps and destroys invaders. This type of Immunity destroys any foreign invader before the onset of symptoms. When any invader gets passed the skin a person must use their acquired ...
Subjects: Science Essays > Biology > Human Biology
Description of the five types of antibodies generated by the humoral aspect of the adaptive immune response
The five major immunoglobulin classes are designated IgA, IgD, IgE, IgG, and IgM, on the basis of the C regions in their hea ... esignated IgA, IgD, IgE, IgG, and IgM, on the basis of the C regions in their heavy chains. The antibodies of each class have different biological roles and locations in the body.IgA - IgA monomer exi ... monomer exists in limited amounts in plasma. The IgA dimer, also called secretory IgA, is found in body secretions such as saliva, sweat, intestinal juice, and milk, and helps prevent attachment of p ...
Subjects: Humanities Essays > Health & Medicine > Diseases
Cellular level organization.
A. Cell Theory1. All organisms, both unicellular and multicellular, are made up of cells.2. Cells are the smallest units of living m ... iden (plants) and Theodore Schwann (animals) declared organisms were made of cells.4. Cells are capable of self-reproduction; Rudolf Virchow declared cells come only from preexisting cells.B. Cell Siz ... e from a frog's egg (one millimeter) down to one micrometer.2. Cells need surface area of plasma membrane large enough to adequately exchange materials.3. Surface-area-to-volume ratio requires that ce ...
Subjects: Science Essays > Biology
Monoclonal antibodies
The production of monoclonal antibodies, using the hybridoma methodMonoclonal antibodies are obtained from clones of single B cells. ... he hybridoma methodMonoclonal antibodies are obtained from clones of single B cells. Unfortunately, B cells will not grow in culture and this problem has to be got round by fusing them withmalignant B ... re and this problem has to be got round by fusing them withmalignant B myeloma cells i.e. cancerous B cells. Myeloma cells will continue to grow and divide indefinitely, though they do not produce ant ...
Subjects: Science Essays > Biology
Should we Legalize Euthanasia
Mammalian blood possesses a number of defensive functionsSkin is composed of dead cells containing the ind ... defensive functionsSkin is composed of dead cells containing the indigestible protein keratin Sebum produced by the skin lowers the pH to inhibit growth of pathogens Lysozymes in salvia, sweat and ... the skin lowers the pH to inhibit growth of pathogens Lysozymes in salvia, sweat and tears are anti-bacterial enzymes Many ingested bacteria in the stomach are destroyed by acid (HCl) A sticky substan ...
Subjects: Humanities Essays > Philosophy > Comparative Philosophy & Ethics
Diseas
osisThe disease causing virus in infectious mononucleosis, (commonly known as mono), is the Epstein-Barr Virus, (EBV).The primary barrier for EBV is that the virus is usually only transmitted by infec ... he primary barrier for EBV is that the virus is usually only transmitted by infected saliva, so air borne or blood infection is rare. Most people have been exposed to EBV from an early age and most pe ...
Subjects: Science Essays > Microbiology