Help please (the subject is science)

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab

Discuss cell surface transport in the structure of constituents

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f