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Are receptors only found on cell membranes?
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In my book it says they are found on the "cell surface" thats the membrane right?
Also are they just found on the plasma membrane or on the membranes around organelles to?
Also are they just found on the plasma membrane or on the membranes around organelles to?
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#2
They are on the outside and inside organelles. Pretty much on every phospholipid membrane.
There are "cell surface receptors" that are only on the cell surface.
There are "cell surface receptors" that are only on the cell surface.
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#3
Yes, they are found on membranes. They are found on plasma membranes (also referred to as the cell surface membrane) and membrane-bound organelles.
(It's just a protein molecule found embedded within a membrane)
(It's just a protein molecule found embedded within a membrane)
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#4
(Original post by Tj789)
In my book it says they are found on the "cell surface" thats the membrane right?
Also are they just found on the plasma membrane or on the membranes around organelles to?
In my book it says they are found on the "cell surface" thats the membrane right?
Also are they just found on the plasma membrane or on the membranes around organelles to?
Receptors are also found inside the cell, e.g. nuclear receptors. These are known as intra-cellular receptors, e.g. the glucocorticoid receptor, which specific steroids known as glucocorticoids bind to. Intra-cellular receptors typically have ligands that are fat-soluble (hydrophobic), as they can cross the plasma membrane.
Hope this helps!
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#5
Receptors can be on the membrane, but also found throughout a cell. for example, there are receptors which are used to control if DNA is transcribed or not in order to code for a gene
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