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#methylation

2 public questions tagged with this topic.

Cell Signaling Other Signaling Pathways

CheR functions as a

methyltransferase, 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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DNA

Which modification is commonly found in bacterial DNA?

N6-Methyladenosine is the correct answer as it accurately identifies the biological location, composition, or distribution described in this question. In Nucleic Acid, the spatial organization and localization of molecules are critical to their function. N6-Methyladenosine is specifically associated with the structure or compartment mentioned because of its unique biochemical properties and physiological role. The other options (5-Methylcytidine, Pseudouridine, and 7-Methylguanine) are primarily associated with different cellular compartments, tissues, or structural contexts.

Ref: Campbell Biology, Urry et al., 12th Ed.

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