Movement Across a Membrane and Energy. There are two major ways that molecules can be moved across a membrane, and the distinction has to do with whether or not cell energy is used. Passive mechanisms like diffusion use no energy, while active transport requires energy to get done.
Citizenship, Immigration and the Constitution. The 14th Amendmentâs Citizenship Clause is one of the Constitutionâs most important and underappreciated provisions. The clause grants full United States citizenship to anyone born on American soil (with a narrow exception for children of foreign diplomats) or naturalized by the federal government.
The Constitution of the United States of America (see explanation). 1  Preamble [We the people] (see explanation). 2  Article I [The Legislative Branch] (see explanation).3  Section 1. [Legislative Power Vested] (see explanation). 4  Section 2. [House of Representatives] (see explanation). 5  Section 3. [Senate] (see explanation).he Constitution of the United States of America (see explanation). 1  Preamble [We the people] (see explanation). 2  Article I [The Legislative Branch] (see explanation).