What are the events of smooth muscle contraction? check all that apply. initiated by ca2+ binding to intracellular calmodulin troponin activates tropomyosin ca2+/calmodulin complex activates mlck activated mlck to activate myosin atpase?

In the context of the neural impulse, which of the following is true about the depolarization of neuron membranes?

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?