A, B, C and D are the basic part of all the cells. The part A contains thread- like structures called E which transfer the characteristic from parents to their offsprings. The part B uses glucose and oxygen to produce energy whereas part C controls the movement of substance into the cell. The part D is a transparent, jelly-like material. What could A, B, C, D and E be ?

A is nucleus ; B is mitochondria; C is cell membrane ; D is cytoplasm; and E is chromosomes.