gated e requires a specific stimulus to switch between an open and closed shape

Gated e requires a specific stimulus to switch

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d. gated e. requires a specific stimulus to switch between an open and closed shape 11. in voltage gated Na+ channel, what happens between the inactive and closed phase a. recovery and membrane repolarization 12. carbohydrate layer a. located on noncytosolic side b. protect cell surface from mechanical and chemical damage c. absorb water- give slimy feeling d. helps motility e. stops cells sticking together f. cell-cell recognition and adhesion
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13.why do lipids form bilayers in water? 14.negative charged on the organic molecules inside the cell are largely balances by 15.Nuclear pore complex 16.Electrochemical gradient 17. Glycolipids a. Provides energy and acts as cell surface marker 18. The Ca2+ pump a. Goes against concentration gradient b. Requires energy c. Uses ATP to change the shape of the pump 19. Voltage gated Na+ channel adopts ___ conformations (what are they?) a. Three: i. Closed ii. Open iii. Inactivated 20. Resting nerve terminal a. Voltages-gates Ca2+ channel is closed b. Neurotransmitter in synaptic vesicle 21. Signal recognition particles (SRP) a. Proteins that recognize localization signals and move ribosome to the ER 22. Part of the cytoskeleton and its function a. Intermediate filaments i. Ropelike fibers ii. Good for structural support iii. Gives mechanical strength b. Microtubules i. Long hollow cylinders ii. Typically have one end attached to a single microtubules-organizing center (MTOC) c. Actin filaments i. Also known as microfilaments ii. Two stranded helical polymers of the protein actin iii. Straight and thin iv. Can be used in different types of shapes 23.Proteins destined for the Golgi apparatus, lysosomes, endosomes, or the cell surface all first enter the ___ from the cytosol 24. Function of endosomes in cells
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25.Drug “x” prevents the excitatory neurotransmitter from binding to its receptor. What happens as a result? 26.The cytosol 27.Noncytosolic face is exposed to either ___ or the ___ of an organelle
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