A local potential
A. does not occur until threshold.
B. transmits information from one cell to another.
C. might be a depolarization event but cannot be a hyperpolarization event.
D. increases or decreases in direct proportion to the stimulus strength.
E. does not alter resting membrane potential.
D
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Dyneins generate movement in cilia and flagella by
A) The dynein moving along its own microtubule, pulling the cell membrane with it. B) The dynein on one side of the flagella moving along its neighbor's tubule. C) All dyneins moving along their neighbors' tubules in a synchronized fashion. D) The dynein pushing on the neighboring tubules, generating movement.
Ling, a 75-year-old grandmother, complained that her vision was becoming obscured. Upon examination by an ophthalmologist she was told she had cataracts. What are they, how do they occur, and how are they treated?
What will be an ideal response
Cattle kick to the rear, much like a horse
Indicate whether the statement is true or false
The antogonistic hormones that regulate blood sugar concentrations are released from the pancreas
a. true b. false