Where in the cell does most of the activity occur during mitosis

What is the difference between how ionic and covalent bonds form

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell