2. In plant and animal cells, the control center of the cell is the
a. chloroplast.
b. cytoplasm.
c. nucleus.
d. Golgi body.

What controls activities within a eukaryotic cell?

Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food