Explain an instance when a membrane defect can cause a disease.
What will be an ideal response?
In cystic fibrosis, there is an inherited defect in the plasma membrane protein that normally lets chloride ions pass through into body cells. This "chloride channel" does not function as it should in cystic fibrosis patients.
You might also like to view...
Temperature has a dramatic effect upon cell membranes. This influence can readily make a cell membrane more solid or more fluid in response to the temperature. This is an example of
A) liquidation. B) membrane flexibility. C) phase transition. D) membrane asymmetry. E) scanning calorimetry.
Which scientist(s) is/are given credit for making the first recorded observations of microorganisms, such as bacteria and protists, with their microscope?
A. Robert Hooke B. Mathias Schleiden and Theodore Schwann C. Antony van Leeuwenhoek D. Louis Pasteur E. Rudolf Virchow
Conservation biologists are often concerned that when the population size of an endangered species becomes too small it is at risk of extinction for which reason?
A. They can no longer evolve. B. Their rate of breeding will decline. C. They may be more susceptible to changes in the environment or disease. D. They are at risk of sympatric isolation. E. They are at risk of developing prezygotic barriers to reproduction.
Suppose you have two glucose solutions separated by a selectively permeable membrane. If there is a concentration gradient of glucose across the membrane, then the solutions cannot be ________ relative to each other
A) isotonic B) hypertonic C) hypotonic