Smooth muscles depolarize as a result of a transmembrane current of Calcium ions. When an action potential depolarizes the muscle cell membrane, it also travels into the body of the cell via the t-tubules. Unlike skeletal muscle, smooth muscle is dependent in two sources of calcium in order to intiate contraction. These two sources are calcium sequestered in the S.R. of the smooth muscle cell.
Invasive firestorm method. All pests are now dead with the added benefit of fewer trees to infest.
Answer: Louis Pasteur
Louis Pasteur in 1860s, proposed germ theory. The theory was based upon the fact that diseases are caused by the microorganisms. He was officially the first to publish his work.
D. Earthquakes, volcanoes, and hot springs release energy from Earth's interior.
Answer:
Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit.
Explanation:
