Which part of the atom is directly involved in chemical changes? a. the electron b. the energy levels c. the nucleus d. the charges

How does the nervous system affect the excretory system?

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)

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