Four of the five answers listed below are true of a neuron at resting potential. Select the exception
a. The interior of a neuron is positive.
b. The interior of a neuron has a negative charge.
c. There are more sodium ions outside a neuron.
d. There are more potassium ions inside a neuron.
e. The membrane of a neuron is polarized.
A
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Ecologists have documented the extinction over the last 20 years of ________ of the 110 species of harlequin frogs (Atelopus) native to tropical America.
A. 67% B. 100% C. 15% D. None of the choices are correct.
The end of mitosis is determined by the end of which phase?
a. prophase b. metaphase c. anaphase d. telophase e. cytokinesis
The ascending tracts of the spinal cord are responsible sensory and motor functions of the peripheral nervous system that control the skeletal muscles.
Answer the following statement true (T) or false (F)
List the types of information animals can sense about their internal environments.
What will be an ideal response?