Reuptake refers to the... a. release of hormones into the bloodstream.

b. reabsorption of excess neurotransmitter molecules by a sending neuron.

c. movement of neurotransmitter molecules across a synaptic gap.

d. inflow of positively charged ions through an axon membrane.

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve