Extrinsic information molecules are _______?

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Extrinsic information molecules are _______? Answer: Hormones

Hormones are a type of extrinsic information molecule because they are chemical messengers that originate outside of a cell to deliver a specific message. They are secreted by endocrine glands and travel through the bloodstream to target cells, where they bind to receptors to trigger a response. This external communication allows the body to coordinate physiological processes.

Question context

This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.