Question

1. fill in the blank

Researchers use a number of techniques to isolate or characterize proteins. For example,1. ____________________ separates molecules by size or charge, while 2.__________________ ____________________ exploits the attraction between protein and ligand. Primary level of protein structure can be determined by 3._______________________________, and secondary and tertiary structure can be delineated through 4. ____________________________________.

2. Match each molecule to its description. (1 point each)

A. zymogen

B. kinase

C. cofactor

D. substrate

E. coenzyme

1. ___ organic molecule that assists in an enzymatic reaction
2. ___ a molecule on which an enzyme acts
3. ___ enzyme that catalyzes phosphorylation of another molecule

4. ___ inorganic molecule that assists in an enzymatic reaction

5. ___ inactive precursor of an enzyme

Answer 1

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