The Importance of Receptors in Living Organisms_ A level biology essay
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Module
BIO 101
Institution
BIO 101
The Importance of Receptors in Living OrganismsIntroductionReceptors are proteins which bind to specific substances in livingorganisms. Not only is it important for regulating bodily functions it is alsovital for plants in response to a stimulus to survive.Immune ResponseThe Immune Response in livi...
Receptors are proteins which bind to specific substances in living
organisms. Not only is it important for regulating bodily functions
it is also vital for plants in response to a stimulus to survive.
Immune Response
The Immune Response in living organisms prevents any harmful
pathogens from invading precious organisms within the body.
Receptors are involved in detection of harmful substances and
initiate a response in a according manner. T cells are one of the
major components of the immune system and rely on receptors
to carry out their functions. Their roles include directly killing
infected host cells, activating other immune cells, producing
cytokines and regulating the immune response. Their T cell
receptors are located on the surface of T lymphocytes and
identify specific, complementary antigens presented by
phagocytes, activating the T cells in which influences the immune
response by T helper cells, cytotoxic T cells and phagocytes are
released which kill abnormal and foreign cells. If the receptors
were not present on the T cells then an immune response would
not occur causing detrimental effects on the health of the
organism.
Survival and Response
Smaller organisms such as receptors such as insects utilise
receptors in order to detect changes in their environment.
Whether it is temperature or humidity. This is called taxis and
kinesis. Responding to these environmental changes are
important as it leads to organisms having a more desirable
environment in which they can thrive. However, without these
receptors, they would not be able to find their optimum
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