TLS Online TPP Program

#Question id: 1139


In paracrine signaling, the signaling molecule:

#Unit 4. Cell Communication and Cell Signaling
  1. acts on cells in close proximity to the secreting cell.

  2. acts on target cells far away from the secreting cell.

  3. acts on the same cells that secreted the signaling molecule.

  4. is carried to the target cells via the circulation.