Analyze the structural differences between GTP and ATP and their implications for cellular function.

• A. GTP and ATP differ in their overall charge, affecting their cellular localization.
• B. GTP and ATP differ in their nitrogenous bases, affecting their specific binding to proteins.
• C. GTP and ATP differ in their sugar moieties, affecting their solubility.
• D. GTP and ATP differ in their phosphate groups, affecting their energy content.

Answer: (B)