The rungs or steps of dna are made up of which are attached to the sides or railings of dna, which are made up of

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

What type of genetic drift would be simulated if all the beans that were not selected died out?

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex