Read this and the question is why is nucleus important ? {get information from this~}

The nucleus is important because it contains the cell's genetic information. This genetic information is in the form of DNA; it is the determining factor of the organism's phenotype (physical characteristics). Similar to the bakery's business plan the nucleus gives the cell directions and allows it to run correctly and smoothly.

there mad at that place

uncanny would be like unlucky or disaster. you can look for more in the dictionary or if you have text book then turn to a. 17 but it's different with textbooks.