Why does DNA need RNA? DNA is a precious commodity and to prevent it from damage it should not involve in many process. On the other hand it contains the genetic code for production of protein â¦
In biology, scaffold proteins are crucial regulators of many key signaling pathways. Although scaffolds are not strictly defined in function, they are known to interact and/or bind with multiple members of a signaling pathway, tethering them into complexes.
Definition and Theory. In the field of education, the term scaffolding refers to a process in which teachers model or demonstrate how to solve a problem, and then step back, offering support as needed. Psychologist and instructional designer Jerome Bruner first used the term 'scaffolding' in this context back in the 1960s.