This gradient is maintained by the use of metabolic energy through ion pumping, and its existence allows cells to use transient increases in the intracellular Ca 2+ concentration as signals, which regulate cell function.
The legal status of abortion is an important indicator of women's ability to enjoy their reproductive rights. Legal restrictions on abortion often cause high levels of illegal and unsafe abortion, and there is a proven link between unsafe abortion and maternal mortality.he legal status of abortion is an important indicator of women's ability to enjoy their reproductive rights. Legal restrictions on abortion often cause high levels of illegal and unsafe abortion, and there is a proven link between unsafe abortion and maternal mortality.
MICHELE BOLLINGER looks back at when abortion was illegal in the U.S.--and explains why the right of women to control their own bodies is fundamental, and a precondition for gaining full equality with men. - - - - - - - - - - - - - - - - ABORTION WAS criminalized throughout the U.S. between the late 1800s and 1973.ICHELE BOLLINGER looks back at when abortion was illegal in the U.S.--and explains why the right of women to control their own bodies is fundamental, and a precondition for gaining full equality with men. - - - - - - - - - - - - - - - - ABORTION WAS criminalized throughout the U.S. between the late 1800s and 1973.