Cardiac muscle has prolonged contraction due to a sodium induced-calcium released process into the cytoplasm of the cell. cardiac cells can communicate through pore-like channels between cells. list the junction and the organelle involved in cardiac muscle contraction?

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back

Which of the following typically characterizes a tropical rainforests

What is the role of the phospholipid belayer in cellular transport in living cells