Scene at the Signing of the Constitution of the United States. The Constitutional Convention (also known as the Philadelphia Convention, the Federal Convention, or the Grand Convention at Philadelphia) took place from May 25 to September 17, 1787, in Philadelphia, Pennsylvania.
User: The substance on which the enzyme acts is called the _____. enzyme substrate catalyst bufferWeegy: The substance on which the enzyme acts is called the substrate. akoine|Points 2078|User: _____ modify the rate of enzyme activity. Cells Carbohydrates Nucleic acids Weegy: The answer is cells.
Mechanisms of Enzyme action. Enzymes are essential proteins that are found in all living cells. They have two main functions: 1) they act as catalysts ( a catalyst is a chemical which speeds up a chemical reaction ) 2) they control all the chemical reactions going on inside the cell. Every cell has many different enzymes. Each enzyme is specific : it only affects one particular chemical.