Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
Mitosis activator (AP® Biology Investigation 7)
Lectin, Phytohemagglutinin is one of our many available hormones and growth regulators.Options:
Hazard Alert
Hemolytic; agglutinates human red blood cells. Use with appropriate personal protective equipment to limit exposure.