Transport Across a Cell Membrane. The cell membrane is one of the great multi-taskers of biology. It provides structure for the cell, protects cytosolic contents from the environment, and allows cells to act as specialized units.
How to Amend the Constitution. Article V of the United States Constitution provides authority and instructions for amending the Constitution. Amendments can be proposed by Congress or by constitutional convention. Congress then decides how to ratify the amendment if approved by Congress or convention.
Amending the United States Constitution is no small task. This page will detail the amendment procedure as spelled out in the Constitution, and will also list some of the Amendments that have not been passed, as well as give a list of some amendments proposed in Congress during several of the past sessions. 1  The Amendment Process.  2 Informal Amendment. 3  Popular Amendment.