Axonal transport of proteins occurs along a track formed by _______.
a. microtubules
b. neurofilaments
c. anterograde cytoskeleton
d. retrograde cytoskeleton
Answer: a. microtubules
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Digesting chromatin with a high concentration of DNAse I would yield fragments of what approximate size?
A. 200 B. 400 C. 600 D. 1100
Recombinant DNA-based products are slow to reach the marketplace because of
A) the adverse effects of gene cloning. B) the lack of technological advances in gene cloning. C) the lack of safety involved in such methods. D) the cost and duration of research.
During which one of the following phases of an action potential do the sodium channels close and potassium channels open, releasing potassium from the neuron?
A) depolarization B) reestablishment of resting potential C) saltatory propagation D) both depolarization and repolarization E) repolarization
To prove the claim that "If an individual's income goes up, their demand for our product goes up" by Transposition it would suffice to show:
A. any individual with falling income has falling demand. B. any individual with falling demand must have falling income. C. every individual with increasing income has increasing demand. D. None of the answers is correct.