Which of the Following Statements Are True of the Active

Multiple Choice

Which of the following statements are true of the active site theory of enzyme functioning (Select all that apply) ?

A) The shape of the enzyme is important.
B) The shape of the substrate is important.
C) The shape of the active site may be altered by changes in pH.
D) The active site portion of the enzyme is not affected by temperature changes.
E) The active site is a specific sequence of amino acids.
F) Most enzymes are proteins,but a few are lipids.