Which statement accurately describes the relationship between the brain and addiction? a. normal activities produce heightened responses once receptors are reduced.
b. a higher amount of addictive chemicals are needed to get the same high when fewer receptors are present.
c. the brain reacts to excessive dopamine levels by increasing the number of dopamine receptors.
d. all drugs act on dopamine synapses in the same way.

g1

choices:

a. g2. b. g1. c. m

cell division has two checkpoints namely, g1

checkpoint and spindle assembly checkpoint. the checkpoint which determines if

division has properly occurred is the g1 checkpoint. at this point, is a damage

in the dna is detected or  the has not reach the optimum size, the cell is

stopped in g1 and is not allowed to proceed to further process.

source:

more words for this could be abiotic and biotic

abiotic: living organisms within an ecosystem

biotic: non-living organisms within an ecosystem