Which of the following signal molecules does not interact with cell surface receptors?
مندرجہ ذیل میں سے کون سا سگنل مالیکیول سیل کی سطح کے رسیپٹرز کے ساتھ تعامل نہیں کرتا ہے؟
Answer: Testosterone
Explanation
- Testosterone is a steroid hormone that can cross the cell membrane and bind to intracellular receptors, specifically androgen receptors.
- This binding triggers gene transcription and protein synthesis, leading to various physiological responses.
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