What is the function of a nucleus in a cell the nucleus

a. controlls the cells activity
b. the nucleus identifies the cell as belonging to a plant
c. the nucleus determines what substances enter and leave the cell
d. the nuclus can be seen under transmission electron microsope

Growth of chest hair, deepening of the voice, and muscle growth are secondary sex characteristics. which most likely affects the development of these traits? testes ovaries prostate gland vulva

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of