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Which proteins are antibodies produced by B lymphocytes that bind bacteria, viruses, and large molecules identified as foreign?  

Which statement regarding I bands is FALSE?

A catalytic triad is a set of three coordinated amino acids that can be found in the active site of some enzymes. What of the following is true about the catalytic triad? A) It consist of a nucleophile, a general base and an acid  B) It’s a set of three coordinated amino acids outside the active site of some enzymes C) In chymotrypsin, the catalytic triad is made from serine 195, histidine 57, and aspartate 102 D) Most commonly found in hydrolase and transferase enzymes E) Consist of 3 positively charged amino acids

Which type of enzyme inhibitor repeatedly exchanges with the substrate for the active site?

Which would be considered a typical value (in the average range) for the dissociation constant (Kd) of a protein‑ligand system?

Solve the equation and check.

Solve the equation and check.  

Add. ( x + y ) + ( x – y ) + ( – x – y ) + ( x – y )  

Subtract the polynomials.   – +     + + +                                                      

Combine the like terms.