Which of the following statements best defines the term isotonic?
a. Solutions on either side of a membrane with a greater concentration
b. Solutions on either side of a membrane with a lesser concentration
c. Solutions on either side of a membrane with an equal concentration
d. Solutions on either side of a membrane with an unequal concentration
Answer: c. Solutions on either side of a membrane with an equal concentration
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Which of the choices below is NOT a mechanism of heat transfer used by the body?
A) shivering B) evaporation C) conduction/convection D) radiation
When a small, polar solute binds to a membrane protein that then changes shape and transports the solute across the membrane, the process is known as
A. simple diffusion. B. channel-mediated diffusion. C. carrier-mediated diffusion. D. endocytosis. E. active transport.
Small amounts of a polypeptide or glycoprotein hormone may cause ________.
A. the priming effect B. increased numbers of receptors placed in the plasma membrane C. upregulation of receptors D. All of the choices are correct.
Which of the following pairs of terms are opposites?
A. plantar flexion - dorsiflexion B. abduction - extension C. inversion - retraction D. pronation - rotation E. elevation - protraction