Uranium, most uranium does derive from a star. However, not from our sun.
They are used to pass food to the oral mouth at the center, and can attach to surfaces.
The lac repressor protein binds to the operator when it is active. The lac repressor is a protein or a DNA-bounding protein as it is called. The lac repressor also involves the lactose metabolism and it is also responsible for the transcription of three lac genes.
