Erythrocytes exhibit a limited lifespan due to their inability to synthesize the proteins necessary to repair themselves.
Answer the following statement true (T) or false (F)
True
You might also like to view...
The ________ fissure separates the lobes of the left lung
A) lateral B) longitudinal C) medial D) left horizontal E) oblique
What mechanism causes the voltage-gated Na+ channels to close during an action potential?
A) The activation gate is voltage sensitive and closes close to the equilibrium potential for Na+. B) The activation gate is sensitive to K+ and closes when its intracellular concentrations drop. C) The inactivation gate has a time-dependent closure. D) The inactivation gate is voltage sensitive and closes close to the equilibrium potential for Na+.
The ________ are conical teeth used for tearing or slashing.
A) incisors B) cuspids C) bicuspids D) molars E) premolars
Why might someone pale when they are exposed to a cold temperature?
A. Constriction of the dermal collagen and elastic fibers B. Purely psychological C. Dehydration of the stratum corneum D. Vasoconstriction has occurred E. Vasodilation has occurred