How do multiple signaling pathways integrate to manage blood sugar levels in response to insulin?

• A. Insulin inhibits all cellular pathways to conserve energy.
• B. Insulin only affects glucose uptake without influencing glycogen synthesis.
• C. Insulin increases blood sugar levels by promoting gluconeogenesis.
• D. Insulin activates pathways that increase glucose uptake and glycogen synthesis, reducing blood sugar levels.

Answer: (D)