Which part of an amino acid's basic structure gives it its unique functional characteristics? Choose 1 А R-group B Central alpha (a) carbon Carboxyl group (-COOH) Amino group (-NH2)

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.