Which of the following processes uses a protein to help a substance move across the membrane move across the membrane from high to low concentration of that substance?

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Which of the following processes uses a protein to help a substance move across the membrane move across the membrane from high to low concentration of that substance? Answer: Facilitated diffusion

The process that uses a protein to help a substance move across the membrane from a high to a low concentration (down its concentration gradient) is called facilitated diffusion.

Question context

This question is part of ⚗️ Biochemical Engineering within the broader 🧬 Medical Science subject and appears in the Directorate of Nursing Sindh Karachi (DNSK) preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.