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.
This list contains proposed amendments to the United States Constitution. Article Five of the United States Constitution provides for two methods for proposing and two methods for the ratification of an amendment.he mechanism for amending the United States Constitution was developed during the closing days of the 1787 Constitutional Convention at Philadelphia, Pennsylvania.