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.
When we make a change or addition to the United States Constitution, it's known as 'amending' the Constitution. Any addition is treated as extra language, added onto the end of the Constitution, and is known as a constitutional amendment. Surprisingly, we have only 27 constitutional amendments. That's because amending the Constitution is a complicated process. The Constitution's Article V lays out the process by which the Constitution may be amended. There are actually four different ways, but only one is widely used: 1  Proposal by convention of the states, with ratification by state conventions.