l sell communication o In response to tempernature changes, cell membranes chang
ID: 210726 • Letter: L
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l sell communication o In response to tempernature changes, cell membranes change state to become more solid or more fluid by undergoing A) lipid raft formation. B) membrane folding C) a phase transition D) transverse diffusion. E) differential scanning calorimetry 25) When a mouse cell and a human cell with different cell-surface protein markers are fused using polyethylene glycol OPEC) and immediately placed at OC, what would you expect happens to the mouse and human marker proteins A) Both the mouse and human marker proteins will rapidly disperse evenly throughout the fused membrane. B) Only the mouse cell marker proteins will disperse throughout the fused memberane, the human marker proteins will remain confined to the original human region of the fused membrane C) The mouse and human markers will migrate to opposite poles of the fused membenne D) The mouse and human markers will migrate lintle and remain confined to their original membrane regions. E) Both mouse and human markers will be endocytosed by the fused cell and destroyed in the fused cell. 26) Of the following molecules, which would you predict diffuses most readily across membranes? A) water B) glucose C) oxygen D) serine E) hydrogen ions 27) The composition of lipids in the outer and inmer monolayers of cell membrane lipid bilayers is A) asymmetrical; ie., different in each monolayer B) identical in each monolayer C) twice as concentrated in the inner monolayer as in the outer monolayer D) highly random for each monolayer E) the same for all cell plasma membranes but different from the composition in and chloroplast membranes 28) The most prominent lipids in animal cell membranes are A) phospholipids. B) glycolipids. C) cholesterol. D) phytosterol. E) cerebrosides Copyright © 2012 Pearson Education, Inc.Explanation / Answer
24. In response to temperature changes, cell membranes change state to become more solid or fluid by undergoing...........Phase transition
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