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Intracellular receptor
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What is the job a a receptor molecule?
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.
When a receptor protein in a cell membrane acts as a enzyme the receptor protein does what?
When a receptor protein acts as an enzyme, the receptor protein activates a second messenger that acts as a signal molecule within the cell. Resources: HOLT Biology Textbook - 9th grade edition Chapter 4, Cells and Their Environment.
Epinephrine acts as a signal molecule that attaches to proteins?
Correct, epinephrine acts as a signaling molecule that binds to specific adrenergic receptors on target cells, triggering a cascade of chemical reactions that ultimately lead to a physiological response, such as increased heart rate or dilation of airways. This activation of receptors by epinephrine is crucial for the body's fight or flight response.
What a receptor protein in a membrane that recognizes a chemical signal is most similar to?
A receptor protein in a membrane that recognizes a chemical signal is most similar to a lock on a door, where the chemical signal acts as the key that fits into the lock to initiate a response. Just like a lock and key, the receptor protein and the chemical signal must fit together in a specific way for the response to occur.
What happens when a steroid hormonoe binds to a receptor?
acts as a transcription factor and binds to DNA, activating a gene
Does Testosterone acts as a signal receptor that activates ion channels proteins?
If we are to based it in the function of a testosterone inside a cell, it does not act as a signal receptor. Testosterone function is to bind a receptor protein that go into the nucleus and to activate a particular gene.
An enzyme and a membrane receptor molecule are similar?
acts as catalysts
What is an aceticoceptor?
An aceticoceptor is a part of a molecule which acts as a receptor for acetyl groups.
What acts as a signal molecule in a cells cytoplasm?
Peace
Aldosterone is a steroid hormone and as a result it will bind to a receptor that?
Aldosterone binds to mineralocorticoid receptors, which are located in the cytoplasm of target cells. Upon binding, the aldosterone-receptor complex translocates to the nucleus where it acts as a transcription factor to regulate the expression of specific genes involved in electrolyte balance and blood pressure regulation.
Why does hormone act only on specific cell types in a organism and not others?
Hormones can only be detected by cells that have the specific receptor which binds to the hormone. This means that the hormone only acts on the cells with its receptor and the other cells do not respond.
What acts as a signal molecule in a cell cytoplasm?
Before we attempt an Answer we need to know how many dozens of types of signal molecules exist in a Cell's cytoplasm.
