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Condensation reactions involve the removal of water to form bonds, such as peptide and glycosidic bonds.
Ref: NCERT Class 11 Biology Chapter 9: Biomolecules Chemical Analysis and Biomolecules - Amino Acids Lipids
Formation of unusual 2'-5' phosphodiester bond distinguishes Group II and spliceosomal splicing from Group I. During first transesterification, nucleophilic attack by 2' hydroxyl of branchpoint adenosine on phosphodiester at 5' splice junction creates branched RNA where intron 5' terminus connected to branch Adenosine via 2'-5' linkage, producing lariat with loop and 3' tail. Group I splicing retains standard 3'-5' linkages using external G. Detecting 2'-5' bond is diagnostic marker for lariat introns and spliceosomal catalysis in sequencing studies. This refined regulation supports accurate r
Ref: Berg et al., Biochemistry, 9th ed., Chapter 32, 2'-5' phosphodiester bond in Group II lariat splicing
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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