Cyclic-AMP stimulates which of the following? a) PKA b) PKC c) Ras d) RTK

Second-messenger systems ultimately bring about the desired cell response by inducing a change in the shape and function of particular designated intracellular proteins. (True or false?)

A common membrane-bound intermediary between the receptor and the effector protein within the plasma membrane is the __________________.

How is a condition such as diabetes a good example of the failure of a set point in humans?

Describe the contribution of each of the following to establishing and maintaining membrane potential: (a) the Na+K+ pump, (b) passive movement of K+ across the membrane, (c) passive movement of Na+ across the membrane, and (d) the large intracellular anions.

What are cyclins and cyclin-dependent kinases, and how do they interact?

Using the Nernst equation, calculate the equilibrium potential for Ca2 and for C1 from the following sets of data: a. Given [ Ca2+ ]0=1mM,[ Ca2+ ]i=100nM, find Eca2+ b. Given [ Cl- ]0=110mM,[ Cl- ]i=100mM, find Ecl

How are the effects of paracrine signaling limited to an area near the signaling cells?

What is a possible result of a mutation in a kinase that controls a pathway that stimulates cell growth?

What accounts for the specificity of a cellular response to a signal molecule?