Which sequence correctly illustrates a negative feedback system?
a. input ? negative effect ? output ? change
b. external stimuli ? effector ? internal change ? integration
c. sensor ? integrator ? effector ? compensatory response
d. integrator ? effector ? compensatory response ? sensor
e. negative input ? sensor ? integrator ? positive output
c
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Receptors for hearing are located in the ________.
A) cochlea B) semicircular canals C) tympanic membrane D) vestibule
Voltage-regulated channels are located
A) in the membranes of dendrites, in the membranes of axons, and on the neuron cell body. B) within the cytosol only. C) on the neuron cell body only. D) in the membranes of dendrites only. E) in the membranes of axons only.
Receptor-mediated endocytosis is used to remove low-density lipoproteins (LDLs) from the blood. What effect would defective LDL receptors have on a patient’s cholesterol levels and overall risk for heart disease?
What will be an ideal response?
Interneurons lie entirely within the central nervous system
Indicate whether the statement is true or false