itate the transpot of molecules by active tra iate ions or small molecules (b) F
ID: 303249 • Letter: I
Question
itate the transpot of molecules by active tra iate ions or small molecules (b) False to pass through litate active transport except? 43. All of the tollow ing are transmembrane pumps (d) Coupled pumps ion known as the Synaptic vesicles (d) Axon 45. How does nerve impulses travel from one neuron to another? (b) Electrical -Chemical Chemical (c) Chemical > Electrical Chemical (d) Electrical ? Chemical ? Electrical 46. Neuron is stimulated, the membrane potential of the plasma membrane shifts to a less negative value by opening voltage-gated K channels: (a) True 47 Once a neuron is stimulated and the membrane potential is depolarized, the depolarized axonal membra (b) False adient al b opening voltagdd, 48. Spectrin is a protein found in the plasma membrane of all eukaryotic cells that provide support to the helped to return to its resting potential by opening voltage-gated K+ channels, allowing K+ to flow out cell down its concentration gradient True (b) False membrane. (a) True (b) False 49 ransmembrane proteins allow large particles to pass through the membrane. True (b) False 50. Prokaryotes adapt to hot temperatures by increasing the length of their hydrophobic tails and decr amount of double bonds in their phospholipid bilayer (a) True (b) FalseExplanation / Answer
41. b. false
42. a. true
43. c. channel pumps
44.a. synapse
45. d. electrical-chemical-electrical
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