Explain energy transduction and receptor potential as they relate to the function of a sensory receptor. What will be an ideal response?
Sensory receptors convert (transduce) the energy of a stimulus into a change in membrane potential. In
particular, the energy of the stimulus causes the opening or closing of membrane channels that alters
the resting potential. This changed membrane potential is the receptor potential. The magnitude of the
change in membrane potential depends on the energy of the stimulus, and thus the receptor potential is
a graded response.
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a) proteins b) t cells c) cytokines
What key features of Bacillus anthracis makes the anthrax disease impossible to eradicate?
What will be an ideal response?
Which organelles settle on the bottom of gravity-sensing cells?
a. vacuoles b. hormone c. lysosomes d. statoliths e. starch-heavy granules
The second law of thermodynamics implies
that
a. energy can be transformed into matter, and because of this, we can get something for nothing. b. energy can be destroyed during nuclear reactions. c. if energy is gained by one region of the universe, another place in the universe must also gain energy in order to maintain the balance of nature. d. energy that is available to do work in the universe is decreasing. e. energy can be created out of nothing