Neurons and Synapses - C & D

Question 1

Define Synapses

Answer 1

the junctions
between neurons or between
neurons and receptor/effector
cells.

Question 2

Define Neurotransmitters

Answer 2

the places where signals
are transferred through chemicals

Question 3

Define Presynaptic cell

Answer 3

the neuron
transmitting a signal and
releasing neurotransmitters into
the synaptic cleft

Question 4

Define Postsynaptic cell

Answer 4

the neuron
receiving the signal by detecting
the presence of
neurotransmitters

Question 5

Define Threshold potential

Answer 5

when membrane potential reaches a certain point, it shoots up to 30 mv

Question 6

Define Acetylcholine

Answer 6

a neurotransmitter used in many synapses, most
notably between neurons and muscle fibers.

Question 7

Neonicotinoids

Answer 7

synthetic molecule that can bind to acetylcholine
receptors in the central nervous system of insects.