calcium pump. the mechanism of active transport of calcium (Ca 2+) across a membrane, as of the sarcoplasmic reticulum of muscle cells, against a concentration gradient; the mechanism is driven by hydrolysis of ATP.
A rental agreement differs from a lease agreement in that it is not a long-term contract and usually occurs on a month-to-month basis. This month-to-month lease agreement expires and then renews each month upon agreement of the parties involved.
Philip M. Rosenberg. The difference in a lease or a rental agreement is not a matter of time, i. e. month to month vs. a year, but rather how and what is written in the body of the agreement. What states and or magistrates look at the title of an agreement vs. what is inside. Iâm confused.