The gradual replacement of regionally distinct ecological communities with cosmopolitan communities that reflect the increasing global activity of humans is referred to as

True or false multiple lane changes must be done individually going through the same procedures for each lane change

True or false 5. carrier proteins have the ability to to change shape and physicially move molecules across the cell membrane. 6. in a facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the the cell.

Mulitple choice which of the following is a function of the nucleus? a. stores dna b. stores sugars c. builds proteins d. packages proteins