If a cell starts the process of mitosis (prophase) with 12 chromosomes, how many CHROMATIDS would this cell contain during anaphase?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Cells destroy body cells infected by a virus or bacteria.