Physiology Fast axonal transpo is a component of ohograde axonal transpo. What is the rate of fast axonal transpo? A 100 mm/d B 200 mm/d C 400 mm/d D 600 mm/d 💡 Explanation Fast axonal transpo is a component of ohograde axonal transpo. What is the rate of fast axonal transpo? ✓ Correct Answer: C. 400 mm/d