What role does a transcription factor play in a signal transduction pathway and why?

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?

Hydroelectric uses moving water to do work such as grinding grains in a mill true or false

Nucleoplasmin is a nuclear protein. this protein was divided into two segments and linked to the same large cytoplasmic protein. what is the name of that large cytoplasmic protein