Enzyme proved useful in cancer treatment is_______________?
Correct answer: C. L-asparaginase
- A. Lactic dehydrogenase
- B. Alkaline phosphatase
- C. L-asparaginase
- D. Cellulase
Explanation
L-asparaginase is useful in treating some leukemias because it hydrolyses circulating asparagine, depriving certain cancer cells of an amino acid they cannot make sufficiently. Lactic dehydrogenase may be associated with cancer diagnosis, but it is not the enzyme used here as the treatment.
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About Enzymes as Biocatalysts
Enzymes are protein or RNA biocatalysts that lower activation energy without being consumed, and their active sites bind specific substrates. The topic covers the lock and key and induced fit models, effects of temperature, pH and substrate concentration, cofactors, enzyme specificity, and competitive versus non-competitive inhibition.
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