What is an antigen, Biology

Assignment Help:

Q. What is an antigen?

Antigen is any substance, infectious or particle agent recognized as foreign to the body. The contact of the antigen with the body promotes a defense reaction against the antigen (unspecific, specific or both).


Related Discussions:- What is an antigen

Explain about freezing point - properties of solutions, Freezing Point - Pr...

Freezing Point - Properties of Solutions The freezing point of a material is the temperature at which it changes from a liquid to a solid. A liquid freezes when its vapour pre

Bacteria, wine turns sour beause of the action of which bacteria? aerobic o...

wine turns sour beause of the action of which bacteria? aerobic or anerobic?

Anti platelet drugs-peri operative problems, Anti Platelet Drugs In t...

Anti Platelet Drugs In the early years of CABG, patients used to be put on aspirin and persantin (Dipyridamole). Persantin is not routinely prescribed now. Aspirin dose can b

What is tetralogy of fallot, What is Tetralogy of Fallot ? Figure...

What is Tetralogy of Fallot ? Figure: Anatomical location of tetralogy of fallot Indications for Surgery :  The diagnosis of tetralogy is considered as an indicatio

What is respiration quotient, a) Where casparian strips situated in a plant...

a) Where casparian strips situated in a plant body are and what are they made up of? Mention its function. b) What is respiration quotient (RQ)? Under what conditions will th

Are hormones only proteins, Are hormones only proteins? Some hormones a...

Are hormones only proteins? Some hormones are proteins, such as insulin, glucagon and ADH, others are derived from proteins (changed amino acids), like adrenaline and noradrena

What happens within the cell in the first interface period, What are the ev...

What are the events that mark the beginning and the end of the first interphase period? What happens within the cell in this period? The first interphase period is the G1. It s

Events prior to the sperm-egg fusion, Events prior to the Sperm-Egg Fusion ...

Events prior to the Sperm-Egg Fusion In a number of organisms that have been studied, the sperm remain immotile in the testis or in the semen. The sperm become active and mot

What is the probability of carrier of the recessive allele, Two parents who...

Two parents who are each known to be carriers of an autosomal recessive allele have four children. None of the children has the recessive condition. What is the probability that

Explain intubation and ventilation, Explain Intubation and Ventilation ? ...

Explain Intubation and Ventilation ? If supplemental oxygen therapy or non-invasive ventilation do not help, the next step would be to intubate and commence mec

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd