Tissue plasminogen activator (tPA) breaks up blood clots which would be most effective for limiting the damage from which kind of stroke?

How and why do astrocytes prevent damaged axons from reconnecting in the CNS?

If you manually pollinated a purple-flowered plant with a white-flowered plant and all the subsequent offspring had purple flowers, what could you conclude about the alleles for color?

The subdivision of the nervous system that is most closely related to preparing the body to expend energy (fight or flight) is known as the _________ nervous system. 

Which of these chemical messengers typically has an effective duration of several minutes

The major excitatory neurotransmitter works by opening what channels on the post synaptic neuron?

A sensory nerve is considered _______ because its nerve fibers are accepted by the CNS.

If a particular medication works as a ‘reuptake inhibitor,’ what would you expect to be its effect on what happens in a synapse?

What is necessary for the different regions of our brains to bind different sensory information into a cohesive subjective experience? 

Which type of channel protein changes shape to allow substances to move from one side of a cellular membrane to the other only when it receives a specific chemical messenger (e.g. neurotransmitters)?