Explain the fundamental structure of bisensors Solution A biosensor is a analytical device used for detection of various types of analytes (samples) like protein, DNA, etc The main components of a biosensor are; i) Bioreceptors : It is the biological component onto which the antibodies are immobilised. It is with this part of the biosensor that the sample comes in contact. The sample interacts with the antibodies to give out certain signals, which are further analysed by the other parts of the biosensor. ii) Transducer : It is the physicochemical detector which is attacted with the bioreceptor, and it detects the signals produced due to interaction in between the sample and the antibodies.Depending on the type ofsignal produced different types of transducers are used for example optical, electronic, piezoelectric, etc. iii) Amplifier : It amplifies the detected signal so that their analysis becomes easier. iv) Microelectronics : This part is responsible for data processing or data analysis that gives us the actual information we want to obtain using the biosensor like concentartion of a certain analyte in a certain sample. .