TLS Online TPP Program

#Question id: 11545


Growth factors are local regulators that ________.

#I Life Science/ Life Sciences Group – I-V
  1. are modified fatty acids that stimulate bone and cartilage growth
  2. are found on the surface of cancer cells and stimulate abnormal cell division
  3. bind to cell-surface receptors and stimulate growth and development of target cells
  4. convey messages between nerve cells