d.gatede.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 phasea.recovery and membrane repolarization12.carbohydrate layera.located on noncytosolic sideb.protect cell surface from mechanical and chemical damagec.absorb water- give slimy feeling d.helps motilitye.stops cells sticking togetherf.cell-cell recognition and adhesion
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 complex16.Electrochemical gradient17. Glycolipidsa.Provides energy and acts as cell surface marker18.The Ca2+ pumpa.Goes against concentration gradient b.Requires energyc.Uses ATP to change the shape of the pump19.Voltage gated Na+ channel adopts ___ conformations (what are they?)a.Three:i.Closedii.Openiii.Inactivated20.Resting nerve terminala.Voltages-gates Ca2+ channel is closedb.Neurotransmitter in synaptic vesicle 21.Signal recognition particles (SRP)a.Proteins that recognize localization signals and move ribosome to the ER22.Part of the cytoskeleton and its functiona.Intermediate filamentsi.Ropelike fibersii.Good for structural supportiii.Gives mechanical strength b.Microtubulesi.Long hollow cylindersii.Typically have one end attached to a single microtubules-organizing center (MTOC)c.Actin filamentsi.Also known as microfilamentsii.Two stranded helical polymers of the protein actiniii.Straight and thiniv.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 cytosol24.
Function of endosomes in cells
25.Drug “x” prevents the excitatory neurotransmitter from binding to its receptor. What happens as a result?26.The cytosol27.Noncytosolic face is exposed to either ___ or the ___ of an organelle