An atom with 6 protons, 7 neutrons, and 6 electrons shares four pairs of electrons with four other atoms. This atom is now considered to be ________
A) a cation
B) an anion
C) a neutral atom
D) stable
E) an ion
D
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Movement of Na+ through its channels is primarily responsible for the __________ of an action potential
A) Depolarization phase B) Repolarization phase C) Hyperpolarization phase D) After-hyperpolarization phase Fill in the blank with the correct answer.
Which of the following can flex the vertebral column?
A) iliocostalis cervicis B) longissimus thoracis C) iliocostalis lumborum D) multifidus E) longus colli
Movement of hair cells in the semicircular canals signals
A) the frequency of the sound. B) sound waves to the brain. C) the velocity of the movement. D) the direction of motion.
If an animal has had its cerebrum removed, it cannot
A. see. B. live. C. breathe. D. regulate body temperature. E. regulate heart rate.