Khan Academy
Khan Academy: Energy and Enzymes: Enzyme Regulation
Review over the factors that can control enzymatic activity with this article.
Wolfram Research
Wolfram Math World: Minor
This site explains what a minor is relative to matrix manipulations and gives insight on how to use the program "Mathmatica" involving minors.
Purple Math
Purplemath: Minors and Cofactors: Expanding Along a Row
A "minor" is the determinant of the square matrix formed by deleting one row and one column from some larger square matrix. To find the determinant of the matrix A, you have to pick a row or a column of the matrix, find all the cofactors...