Parallel muscles exhibit great strength but little endurance.
Answer the following statement true (T) or false (F)
False
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In a(n) ________ reflex, a sensory neuron synapses directly on a motor neuron
A) monosynaptic B) ipsilateral C) commensual D) contralateral E) polysynaptic
Some fish and arthropods have micropiles by which sperm reach the ovum
Indicate whether the statement is true or false
The term that refers to the ability of organisms to react to changes in the environment is
A. reproduction. B. organization. C. metabolism. D. development. E. responsiveness.
In some cells, an afterpotential occurs because
A. the sodium ions continue to enter the cell after depolarization is finished. B. there is prolonged, elevated permeability to potassium during repolarization. C. the sodium-potassium pump is actively exchanging ions across the membrane. D. the extracellular Na+ ion concentration is reduced. E. the permeability to sodium continues longer than necessary.