Which of the following statements about the resting membrane potential is TRUE?
A) It results, in part, from the concentration gradients for Na+ and K+.
B) It is due in part to the presence of extracellular proteins.
C) It is normally equal to zero volts.
D) The inside of the membrane is positively charged compared to the outside.
A) It results, in part, from the concentration gradients for Na+ and K+.
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Choose the statement that correctly describes the structure or function of dendrites.
A. Are thin extensions of the axon B. Transmit graded electrochemical impulses toward the cell body C. Release neurotransmitters to initiate graded potentials in adjacent cells D. Transmit action potentials away from the cell body
The ureters and urinary bladder are lined by ________ epithelium
A) stratified squamous B) pseudostratified columnar C) simple cuboidal D) transitional E) simple columnar
The aorta bifurcates at the ____________________ vertebral level.
Fill in the blank(s) with the appropriate word(s).
Frogs and toads spend their ___________ years in the water when they are young tadpoles
Fill in the blank(s) with correct word