At resting membrane potential, sodium and potassium ions are no longer moving across the membrane
Indicate whether the statement is true or false
F
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Phalanges is another name for finger bones
Indicate whether the statement is true or false
Which of the following is not true of amylase?
A. The optimum pH for amylase activity is 6.8 - 7.0. B. It breaks down starch into maltose. C. It is produced by more than one organ of the digestive system. D. Its optimum temperature is close to room temperature. E. All of these are true of amylase.
Which of the following is not a reason that somatic reflexes act faster than visceral reflexes?
A. The effector pathway in the somatic reflex arc is myelinated. B. The effector pathway in the visceral reflex arc involves more chemical synapses. C. Some of the neurons in the effector pathway in the visceral reflex arc are unmyelinated. D. The effector organs in the somatic reflex are closer to the spinal cord. E. The effector pathway in the visceral reflex arc involves more neurons.
Nonsteroid hormones ________ pass across the plasma membrane; they cause the target cells to ________ that produce the characteristic effects of the hormones.
A. can; synthesize specific proteins B. cannot; activate or inactivate the cellular enzymes C. can; activate or inactivate the cellular enzymes D. cannot; synthesize specific proteins