Sample exam bio questions explanations

Sample exam bio questions explanations - Sample exam bio...

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Sample exam bio questions explanations 3. A binds to the extracellular portion of tyrosine kinase receptor LECTURE 6,7,8 - Hydroxyl = hydrophilic that strongly hydrophilic molecules cannot pass directly through membrane. Therefore, it most likely interacts with something outside the cell. The only choice listed that meets the criterion is the extracellular portion of a tyrosine kinase receptor. It could pass through the membrane to bind to a GPCR or a cytoplasmic receptor or inhibit a G-protein. If it was bound to an ion, the ion would not be able to pass through the ion channel. 4. A LECTURE 3,6 - You learned that when vesicles form from the Golgi, they are carrying cargo to the PM and that the interior of the vesicle will eventually face the exterior of the cell. You also learned that G-protein coupled receptors are a type of transmembrane protein, and that the intercellular portion of the receptor interacts with the G-protein.
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