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aiou first assignment of 8604 allama iqbal open university

Q no 1 Describe different sources of knowledge and mention their use in daily life which one is more authentic in your opinion and why?  Source OF Knowledge  Introduction  There is no question that the mystery of our social advancement has been research, turning around areas of obliviousness by finding new realities, which likewise lead with better approaches to making things and better items. There could be no alternate way except for reality accordingly, research. Exploring nearer to reality. Also, human information works on two levels. At the super level it functions as the reason for viable human exercises, for example, when an instructor takes care of numerical issues for understudies or as when a specialist utilizes their insight to treat infections. In Second level, the data is utilized to track down increments to the current ones data. The work that delivers this new data is known as examination. All exploration is push ahead with existing information limi...

Aiou B.ED paper atumn 2021 course code 8601 general method of teaching

General method of teaching Allama iqbalGeneral method of teaching Allama iqbal open university paper course code 8601 semster Autumn 2021 

what is antigen presenting cell

  Antigen presenting cell Introduction Individual is protected from different type of pathogen with the help of immune system. with the help of confocal microscope, we observe mechanism of immune system. Antigen is defined as cell that is specialized cell that is responsible to stimulate to immune system to fight against disease. There are two types of antigen. Foreign antigen is produced from outside body like infection of virus, bacteria and second type are autoantigen. Antigen presentation cell has two subset professional antigen presenting cell and amateur antigen presenting cell. Macrophage monocyte dendritic cell and b cell are professional antigen presenting cell. Amateur antigen present cell like glial cell pancreatic beta cell keratinocyte cell and thyroid gland act only in special condition. First, we discuss antigen presenting cell Antigen presenting cell