Much of the work of breaking down the food we ingest is done by our:
(a) stomach
(b) teeth
(c) gut microbiome
(d) esophagus
(c) gut microbiome
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Which of the following structures is NOT actively involved with saltatory conduction?
a. oligodendrocytes b. myelin c. Na+/K+ pumps d. voltage-gated Na+ channels e. nodes of Ranvier
Why is it important that a few ?-galactosidase molecules be present in E. coli even if these cells have
been growing on a lactose-free medium? What will be an ideal response?
In an experiment, the development of the frontal lobe of a rat was inhibited. Predict the most likely consequence of
this procedure.
a. The rat was not able to make noises. b. The rat was unable to move. c. The rat was unable to detect touch. d. The rat was not able to process visual input. e. The rat could not hear.
Tricyclic antidepressants, such as imipramine hydrochloride, have been prescribed for treatment of ADHD (attention deficit hyperactivity disorder) to enhance neural circuit activity because they affect the reuptake of excitatory neurotransmitters
Predict the effect of such drugs on the postsynaptic neuron and explain your rationale. What will be an ideal response?