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#enzyme class

2 public questions tagged with this topic.

Cell Communication

Which enzyme class is most important for collagen remodeling? (June 2015)

Proteases, is consistent with established principles of cell signaling, receptor pharmacology and cellular regulation. Experimental measurements of binding parameters, genetic loss-of-function studies and pharmacological interventions all converge on the same interpretation. Related options address neighboring concepts but do not satisfy the precise criterion stated in the question.

Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)

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Enzyme Kinetics

Which enzyme class catalyzes the formation of bonds using ATP?

Ligases is the accurate response regarding enzymatic activity or regulation described in this question. Enzymes are biological catalysts that accelerate reactions by lowering activation energy through specific substrate binding and transition state stabilization. In the context of Enzymes Basics, Ligases plays a specific catalytic or regulatory role determined by its active site configuration and mechanism of action. The other options (Isomerases, Lyases, and Transferases) are either different enzymes with distinct substrate specificities, act through different mechanisms, or are involved in s

Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 6

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