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.