Enzymes
What is the specificity of the Clostripain protease?

It cleave after Arg residues
It cleave after Lys residues
It cleave after His residues
None of these

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Enzymes
Which of the following statements about enzymes or their function is true?

Enzymes speed up reactions by lowering activation energy
Enzymes do not alter the overall change in free energy for a reaction
All of these
Enzymes are proteins whose three-dimensional form is key to their function

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Enzymes
The E.coli pyruvic acid dehydrogenase complex is reported to

decatalyze the oxidation of pyruvic acid to acetyl Co A and CO2
retard the reduction of pyruvic acid to acetyl Co A and CO2
Catalyze the oxidation of pyruvic acid to acetyl Co A and CO2
Catalyze the reduction of pyruvic acid to acetyl Co A and CO2

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Enzymes
Enzyme-driven metabolic pathways can be made more efficient by

concentrating enzymes within specific cellular compartments
fixing enzymes into membranes so that they are adjacent to each other
All of these
grouping enzymes into free-floating, multienzyme complexes

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