What happens when a neurotransmitter is released by a presynaptic cell?
a. It causes calcium to rush into the presynaptic neuron.
b. It causes calcium to rush into the postsynaptic neuron.
c. The neurotransmitter passively spreads across the synaptic cleft.
d. The neurotransmitter is actively transported across the synaptic cleft.
Question 2
In comparison to activating effects, organizing effects of hormones take place ____.
a. later in life and produce more long-lasting effects
b. later in life and produce more temporary effects
c. earlier in life and produce more long-lasting effects
d. earlier in life and produce more temporary effects
Sickle-cell anemia.
bacteria cell diagram
Flowchart of the cell cycle.
Lattice Parameter Relationships and Figures Showing Unit Cell Geometries for the Seven Crystal Syste
Becker's World of the Cell
Major cell cycle checkpoints