Disruption of neural signaling can produce profound changes in mood and behavior. Cocaine exerts its effects by
A. blocking dopamine reuptake from synapses.
B. blocking serotonin reuptake from synapses.
C. preventing neurotransmitter vesicle fusion with presynaptic neuron membranes.
D. blocking the enzyme acetylcholinesterase.
E. binding to the GABA receptor to enhance inhibitory neurotransmission.
A. blocking dopamine reuptake from synapses.
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Homing endonucleases:
A. are encoded by sequences in the exons of genes. B. cleave specific sequences in the target gene to which the intron is moving. C. have cleavage sites that are common in the genome. D. make single-strand breaks. E. All of the choices given make true statements.
The __________ is a circular molecule of DNA that resides in a region of cytoplasm called the
__________. Fill in the blank(s) with the appropriate word(s).
The first attempts at gene therapy began in 1990 with the treatment of a young girl with a genetic disorder abbreviated SCID. What does SCID stand for? In the context of SCID, what does ADA stand for?
What will be an ideal response?
The associated figure provides support for which of the following processes?
a. secondary succession
b. competitive exclusion
c. coevolution
d. mutualism
e. resource partitioning