Bruce had a stroke, after which he could not move his left arm. However, after physical therapy, he regained some control of that arm due to some brain neurons
growing new connections among themselves. This is an example of

Brain Plasticity

Explanation:

This is an example of the brain's ability to adapt to changes in the body and loss of connections in the brain itself and is not fully understood. This is also why people that loss their vision can have much better hearing months or years later, as their brain adapts to the body's loss of a sense and compensates.

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.