Considering that all action potentials are essentially the same, how do we differentiate visual from auditory stimuli?
a. The amplitude of each action potential is specific for different stimuli.
b. The length of time each stimulus takes to travel to the brain varies.
c. Receptor potentials are graded.
d. Each type of sensory receptor transmits to a specific area of the brain.
e. The frequency of action potentials is characteristic of the specific neuron.
d
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The most common urinary infection is
A. vulvovaginal candidiasis. B. toxic shock syndrome. C. bacterial cystitis. D. bacterial vaginosis.
Energy ____
a. can be created, but not destroyed b. cannot be created, but can be destroyed c. can be created and destroyed d. cannot be created or destroyed e. can be created using a particle accelerator
The part of a neuron that contains a nucleus and other organelles typical of cells is the ________
Fill in the blank(s) with correct word
Which of the following types of reproductive barriers separates a pair of insect species that could interbreed but for the fact that one lives on goldenrod plants and the other on autumn daisies in the same general area?
A) temporal isolation B) habitat isolation C) behavioral isolation D) gametic isolation