A Substrate Molecule Fits Into The Active Site Of An Enzyme Because Of A Match Of Chemistry Homework Help

1. A substrate molecule fits into the active site of an enzyme because of a match of _____. 

A. Number of atoms

B. Molecular Mass

C. Molecular Shape

D. Melting points

2. A sample of a metal on the atomic scale would best be described as a network of positive ions surrounded by free-flowing _________ .

A. Electrons

B. Protons

C. Neutrons

D. Atoms

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