Molecules that form when electrons are shared unequally between atoms are called ________ molecules.

A. salt
B. nonpolar
C. polar
D. lopsided
E. None of the choices are correct.


Answer: C

Anatomy & Physiology

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The advantage of having many nuclei in a skeletal muscle fiber is the ability to

A) contract much more forcefully. B) produce more ATP with little oxygen. C) store extra DNA for metabolism. D) produce large amounts of muscle proteins. E) produce nutrients for muscle contraction.

Anatomy & Physiology

According to the leading proposal, parturition is initiated by

a. parasympathetic stimulation b. an increase in uterine responsiveness to oxytocin as a result of an increased concentration of myometrial oxytocin receptors c. a drop in oxytocin secretion d. a negative-feedback loop established between progesterone and oxytocin e. a rise in estrogen secretion

Anatomy & Physiology

Which of the following is NOT consistent with active transport?

A. Movement is with a concentration gradient B. Uses cell energy C. Movement is against a concentration gradient D. Involves a carrier E. Exhibits competition and saturation

Anatomy & Physiology

Sensory adaption occurs very quickly in both olfaction and gustation.

Answer the following statement true (T) or false (F)

Anatomy & Physiology