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31. The electrocardiogram provides a graphic indication of the membrane effects of altered potassium concentrations.

32. Similarly, the plasma membrane of olfactory cells seems to have an InsP 3 -sensitive calcium channel.

33. Negative ions pass through a membrane containing positive ions more easily than through one that is neutral or negatively charged.

34. When an action potential arrives, the bags rapidly fuse with the cell membrane, dumping their Figure 3.

35. The injury caused bleeding beneath the membrane of the brain.

36. This is effective not because it lowers serum potassium concentration but because it directly antagonizes the membrane depolarizing effect of hyperkalemia.

37. There is growing evidence, therefore, that inositol phosphates may have direct effects on calcium channels within the plasma membrane.

38. The touch of the sperm on the oocyte's outer membrane stimulates the second meiosis to move to completion.

39. It sends a second message, in addition to the voltage change it produces across the cell membrane.

40. More recent investigations with rat jejunal brush border membrane vesicles, however, have found evidence only for passive transport.

41. An energy membrane denies access to anyone wearing any protective garments.

42. A vacuole is surrounded by a thin layer of cytoplasm which acts as a semi-permeable membrane.

43. This membrane defect makes it much easier for toxic substances made by the immune system to enter red cells and kill parasites.

44. The membrane starts off positively charged[sentencedict.com], and chloride ions can pass through easily.

45. The neurotransmitter sticks to the receptor molecule, and together they are able to open a pore in the cell membrane.

46. Aiming your light down into it, you can see right through the membrane to the cell interior.

47. They are stored within the basal membrane or extracellular matric and released in an active form to stimulate tissue repair and healing.

48. In this stage the nuclear membrane breaks down and disappears from view.

49. The house is kept in almost total darkness with a special membrane to block out ultra-violet light covering all the windows.

50. Cantor picked up his paper napkin and drew a rough sketch of a cell membrane.

50. Sentencedict.com try its best to collect and build good sentences.

51. In some cells, there are suggestions that these inositol phosphates may directly activate specific channels in the plasma membrane.

52. When the nuclear membrane re-forms around them and the licensing factors trapped inside, so what?

53. The cancer problem and cell membrane proteins were only the latest triumph.

54. The movement of ions through a membrane is controlled by the nature and number of charged molecules fixed in it.

55. One great improvement involved the outer membrane of the cell.

56. Light causes ions to rush across a membrane and sparks off a train of impulses passed to the brain.

57. Within the epidermal cells microtubules connect the desmosomes of the interdigitating regions with cone-like depressions of the outer epidermal plasma membrane.

58. There may be a generalized rash, widespread lymphadenopathy, and mucous membrane lesions.

59. A porous polymer membrane bag seals the electrolyte, allowing water vapour, but not the acid solution, to pass.

60. The acyl substituents of phospholipids provide the hydrophobic environment that is necessary for the function of intrinsic membrane proteins.