Question 3 (1 point) dl Which of the following is/are true? (Select ALL that are

Question

Question 3 (1 point) dl Which of the following is/are true? (Select ALL that are TRUE.) a) Paracrine signaling occurs through diffusible ligands that are secreted into the blood stream. b) Stress-gated channels are opened in response to diffusible ligands binding to the channel. c) Contractile vacuoles are needed in plant cells to expel excess water that moves into the cell. d) The Notch receptor and the Delta ligand are both transmembrane proteins that can bind to Il is in direct contact with the e) In Drosophila, embryos that die due to mutations that eliminate either the Notch receptor or Ils and too few epidermal cel

Explanation / Answer

Only answer a is incorrect as it is in the case of endocrine signaling in which ligands are diffused in blood stream while in paracrine one cell signals the neighbouring cell.

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