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

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

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Enzymes
How is the enzyme COX-1 important in human health?

It catalyzes the production of hormones that maintain the stomach lining
It helps to transport carbon dioxide in the blood
It is a chemical derivative of aspirin
It is critical for the biosynthesis of DNA

ANSWER DOWNLOAD EXAMIANS APP

Enzymes
The cleavage specificity of trypsin and chymotrypsin depend in part on the

size, shape, and charge of the active site or specificity pocket
proximity of Ser 195 to the active site or specificity pocket
presence of a low-barrier hydrogen bond in the active site or specificity pocket
absence of water in the active site

ANSWER DOWNLOAD EXAMIANS APP