Cells require glucose as a source of energy to carry out life processes. large molecules like glucose cross the cell's plasma membrane by
a)
being pumped through ion channels.
b)
active transport through protein channels.
c)
passive diffusion through the lipid bilayer.
d)
facilitated diffusion through protein channels.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.