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What is an example of a signal molecule that can bind to an intracelluar receptor and therby cause a gene to be turned on or off?
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∙ 10y ago
steroid
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∙ 10y ago
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What is an example of a signal molecule that can bind to an intracellular receptor and thereby cause a gene to be turned on or off?
steroid
The most important factor determining which type of receptor a signal molecule will bind to is?
the lipid solubility of the ligand.
What is a signal transduction?
A signal transduction is a really complicated process when a molecule signals to a receptor which then alters other molecules as a response to this. The signal can produce a wide variety of responses.
Relaying a message from a receptor protein to a molecule that performs a specific function within a cell is called?
Signal Transduction
What is a signal transduction pathway?
A signal transduction pathway is a group of proteins that carry out transducing signals (which means it converts signals from outside the cell to a different signal inside the cell). A good example can be viewed when a hormone binds to the receptor in the plasma membrane (outside the cell), the receptor which has now been activated can now interact with intercellular proteins which produce new signals inside the cell.
What binds to a signal molecule enabling the cell to respond to the signal molecule?
receptor proteins bind to signal molecules
What is a molecule that acts as signal when it binds to a receptor?
Intracellular receptor
What is an example of a signal molecule that can bind to an intracellular receptor and thereby cause a gene to be turned on or off?
steroid
When a signal molecule binds to a receptor protein the receptor protein may change the?
shape.
An allosteric receptor embedded in a cell membrane will change shape only?
when a signal molecule fits the shape of the receptor
Epinephrine acts as a signal molecule that attaches to proteins?
G-protein-linked receptor
Why is it important that each receptor protein binds to only one signal molecule?
because every receptor has specific shape on it, which binds with specific molecule.
The process of transduction usually begins?
When the signal molecule changes the receptor protein in some way.
The termination phase of cell signaling requires which of the following?
the answer involves reversing the binding of signal molecule to the receptor
The most important factor determining which type of receptor a signal molecule will bind to is?
the lipid solubility of the ligand.
What is a signal transduction?
A signal transduction is a really complicated process when a molecule signals to a receptor which then alters other molecules as a response to this. The signal can produce a wide variety of responses.
When a signal molecule such as a growth hormone binds to a receptor protein in the plasma membrane it stays on the outside of the cell. How might the inside of the cell know that the signal has bound?
Due to a conformational change of the receptor protein....
