0
How would caffeine binding to an adenosine receptor affect the activity inside the neuron?
Wiki User
∙ 9y ago
Adenosine receptors stick through the neuron membrane, so that part of them are on the inside and part is on the outside of the cell. Now, when adenosine, a natural chemical in the body, attaches to the adenosine receptor it shifts the shape of the receptor, this shift reaches all the way to the part on the inside of the cell, and causes the receptor to release attached molecules called G-proteins. These g-proteins now float around the inside of the cell and have all sorts of effects, in this case, to inhibit the neuron. Caffeine also binds to the adenosine receptor, but it doesn't activate the receptor. This means that the receptor is totally shut down, and can't work to inhibit the neuron any more. The end effect is to allow the neuron to be more active than it was before the caffeine.
Wiki User
∙ 9y ago
Add your answer:
Earn +20 pts
What membrane proteins is responsible for binding hormones that can trigger changes in the cells activity?
receptor proteins
Which of the following most likely would be an immediate result of growth factor binding to its receptor?
An immediate result of growth factor binding to its receptor would likely be the activation of intracellular signaling pathways. This could lead to various cellular responses such as changes in gene expression, cell proliferation, differentiation, or survival.
Why Bond angle is important?
it is so important during binding of the molecule to its receptor(rigidity)
What molecule is activated from the binding of an odorant to transmembranous receptor molecules on olfactory hairs?
G-Protein
Do viruses require specific receptors to infect cells?
Yes, all viruses need to bind to specific receptor molecules on the surface of target cells to initiate infection. Virus-receptor binding is highly specific, and this specificity determines both the species and the cell type that can be infected by a given virus.In some well-studied cases, the virus-binding region on the receptor has been found to be unrelated to the receptor's normal cellular function.
How is coffee binding?
I don't know if 'binding' is the right word here. Caffeine is addictive, if that is what you are referring to, because of how it affects the adenosine receptors in your brain and throughout your body.
What membrane proteins is responsible for binding hormones that can trigger changes in the cells activity?
receptor proteins
How does a receptor in the cell membrane transmit a message to the cell?
The receptor induces changes in the metabolism and activity of a cell. In the process of signal transduction, ligand binding affects a cascading chemical change through the cell membrane.
What is the opposite drug of caffeine?
A sleeping pill. How about a tranquilizer? Which could be anything that promotes GABA receptor binding to allow chloride ions to enter body cells and thus relaxing the body.
Which of the following most likely would be an immediate result of growth factor binding to its receptor?
An immediate result of growth factor binding to its receptor would likely be the activation of intracellular signaling pathways. This could lead to various cellular responses such as changes in gene expression, cell proliferation, differentiation, or survival.
The process by which cholesterol is transported into the cell by binding of LDL to its receptor and the internalization of the receptor-LDL complex is?
facilitated transport
Large molecules may have reaction sites termed?
Molecules and cells have reaction and activity areas known under three terms. These are active, receptor, and binding sites. Such sites have markers and binding proteins allowing for their activation and or transfer of genetic materials.
Compare two ways that the binding of a signal molecule to a receptor protein causes a change in activity the receiving cell?
1. Insulin binding to insulin receptor tyrosine kinase on hepatocyte: increased glucose uptake, increased glycogen and fatty acid production and decreased catabolism in general (decreased gluconeogenesis, lipolysis, and proteolysis). Insulin binding causes receptor dimerization and self-phosphorylation. Phosphorylated receptor recruits scaffold proteins and downstream target proteins and phosphorylate them. Phosphorylated target proteins serve as kinases and activate or deactivate other proteins by phosphorylation, effecting appropriate effects. 2. Erythropoietin binding to EPO cytokine receptor on Common Myeloid Progenitor cell: eventual differentiation into erythrocyte. Cytokine receptor induces the Jak/STAT pathway resulting in altered gene expression by transcription factors, drastically changing the function and morphology of the cell.
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)
What is a binding site?
The binding site is where a specific binding molecule and a specific receptor protein can combine. This combination can only occur at the binding site. All in the 9th grade text book
What membrane protein is responsible for binding hormones that can switch on a cell?
Receptor proteins.
Which factor would most likely interfere with the binding of a ligand to an intracellular receptor?
peni
