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
Human embryonic stem cells stained with Tra-1-60 (green) - a stem cell marker and nestin (red), a ne
All living organisms descended from a common ancestral cell
Use of cell fusion and selection to obtain hybridomas producing monoclonal antib
Three-cell model
Cell parts and their functions
CRISPR T-Cell Editing