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A receptor molecule is a molecule that receives information from outside the cell. They are embedded in either the plasma membrane or cytoplasm of a cell. A specific molecule on the surface or inside of a cell with a characteristic chemical and physical structure. Many neurotransmitters and hormones exert their effects by binding to receptors on cells.
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What binds to a signal molecule enabling the cell to respond to the signal molecule?
A receptor protein on the cell membrane binds to the signal molecule, initiating a series of intracellular events that lead to a cellular response. The binding of the signal molecule to the receptor triggers a signaling cascade that ultimately activates specific cellular pathways.
Which molecule covers the binding site?
Proteins can cover the binding site of a receptor and prevent another molecule from binding to it. This interaction can inhibit the receptor's activity and affect cellular signaling pathways.
An allosteric receptor embedded in a cell membrane will change shape only?
An allosteric receptor embedded in a cell membrane will change shape in response to the binding of a specific molecule or ligand, which causes a conformational change in the receptor. This change in shape can alter the receptor's ability to interact with other molecules or signaling proteins within the cell, ultimately triggering a cellular response.
What is a molecule such as a neurotransmitter or a hormone that binds to a receptor called?
A molecule such as a neurotransmitter or hormone that binds to a receptor is called a ligand. This binding triggers a biological response in the target cell, influencing its function.
The termination phase of cell signaling requires which of the following?
The termination phase of cell signaling often involves the removal of the signaling molecule from its receptor, deactivation of the receptor, and possibly degradation of the receptor-ligand complex to stop the signaling cascade. This allows the cell to return to its normal state and prevents prolonged or inappropriate signaling.
What is the molecule called that can bind to a receptor protein?
The molecule that can bind to a receptor protein is called a ligand.
What is a molecule that acts as signal when it binds to a receptor?
Intracellular receptor
What binds to a signal molecule enabling the cell to respond to the signal molecule?
A receptor protein on the cell membrane binds to the signal molecule, initiating a series of intracellular events that lead to a cellular response. The binding of the signal molecule to the receptor triggers a signaling cascade that ultimately activates specific cellular pathways.
What is the job of a receptor?
The job of a receptor protein is to receive chemical signals from outside the cell.
What is the job of the receptor proteins?
The job of a receptor protein is to receive chemical signals from outside the cell.
What is a channel linked receptor?
A channel linked receptor transduces functions of the same protein molecule. An example of a channel linked receptor are neurotransmitters in the brain.
The most important factor determining which type of receptor a signal molecule will bind to is?
The most important factor determining which type of receptor a signal molecule will bind to is the specificity between the shape of the signal molecule and the complementary binding site on the receptor. Additionally, the affinity of the signal molecule for the receptor and the presence of any co-factors or co-receptors can also play a role in determining the binding specificity.
An enzyme and a membrane receptor molecule are similar?
acts as catalysts
Is CD4 an adhesion molecule?
The glycoprotein CD4 is a co-receptor. A co-receptor is "a cell surface receptor, which, when bound to its respective ligand, modulates antigen receptor binding or affects cellular activation after antigen-receptor interactions." (MediLexicon)
Each lymphocyte has thousands of receptor in its membranes What is the job of these receptor proteins?
To recognize antigens.
Which molecule covers the binding site?
Proteins can cover the binding site of a receptor and prevent another molecule from binding to it. This interaction can inhibit the receptor's activity and affect cellular signaling pathways.
What is an aceticoceptor?
An aceticoceptor is a part of a molecule which acts as a receptor for acetyl groups.
