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Cell Signaling Pathways. Typically, cell signaling is either mechanical or biochemical and can occur locally. Additionally, categories of cell signaling are determined by the distance a ligand must travel. Likewise, hydrophobic ligands have fatty properties and include steroid hormones and vitamin D3.What are the steps involved in the pathway of signal transduction?
1. Synthesis and release of the signaling molecule by the signaling cell; 2. Transport of the signal to the target cell; 3. Binding of the signal by a specific receptor leading to its activation; 4. Initiation of signal-transduction pathways.What do you mean by cell signaling?
In biology, cell signaling (cell signalling in British English) or cell communication is the ability of a cell to receive, process, and transmit signals with its environment and with itself. It is a fundamental property of all cells in every living organism such as bacteria, plants, and animals.What is the Hedgehog signaling pathway?
Hedgehog signaling pathway - In different types of animals, the Hedgehog signaling pathway is required for proper cell differentiation and thus for the development of different parts of the body. As the name suggests, the main signaling molecule in this pathway is known as the Hedgehog protein (Hh).