PCAT Word by meaning

adj. relating to the stomach??

n. fibres of DNA joined to proteins

adj. relating to the bottom of the foot

n. idea that explains chemical bonding as an effect of the outer shell electrons

n. the lipid bilayer structure of membranes

n. process in which substances are moved across a cell membrane from a region of low concentration to a region of high concentration

pref. large?

v. to chew food using the teeth

v. to secrete milk?

n. person who is unable to sleep?