Cell Signaling Crossword Puzzle

QUESTIONS LIST: ligand : another name for a molecule which is used to signal cells, receptor : a protein on or inside the cell which binds to the signal molecule, transduction : signal _ is when a signal causes downstream events to occur, non polar : if the receptor is inside the cell, the signal molecule must be _ , polar : if the receptor is on the outside of the cell, the signal molecule must be _ , kinases : some receptors are enzyme, and become active when bound too. an example is a receptor _ , phosphorylation : this process uses a specific chemical group to activate kinases, conformational : a _ change is when shape is altered, which alters function, dimerize : to activate receptor kinases, the two partners must pair in a process known as _ , amplification : this is the purpose of secondary messenger, separated : when the three sub-units of a g protein-coupled receptor are _ , the receptor is activated, affinity : binding _ is the tightness of binding between a signal molecule and receptor. this affects how long a receptor is activated.