Cell Membrane StructureOnline version Answer the following questions correctly by Kathryn Boswell 1 What is term for structures that are attracted to water? a Hydrophilic b Hydrophobic c Amphipathic d Phospholipid bilayers 2 A structure that is both hydrophobic and hydrophilic can be described as: a Exocytosis b Amphipathic c Bilayer d Freely - permeable 3 In which year did Gorter and Grendel propose their model? a 2000s b 1820s c 1920s d 1960s 4 What did Gorter and Grendel's model propose a The extraction of phospholipids from the plasma membrane of red blood cells and calculated that the area that the phospholipids occupied when arranged in a monolayer was twice as large as the area of plasma membrane. b The extraction of phospholipids from the plasma membrane of red blood cells and calculated that the area that the phospholipids occupied when arranged in a monolayer was smaller than the area of the plasma membrane. c Arranged them in bilayers at the get-go. d None of the above 5 Which model is being used to describe the cell structure currently? a Davson-Danieli Model b Gorter-Grendel Model c J&J Model d Fluid Mosaic Model 6 Who created the Fluid Mosaic Model? a Gorter and Grendel b Albert Einstein c Davson and Danieli d None of the Above 7 What is the name of this cell membrane model? a Davson-Danieli Model b Gorter-Grendel Model c Singer and Nicholson model 8 Label A-D. Written answer 9 Which description best describes the integral protein? a A protein that is embedded in the phospholipid bilayer. b Proteins on the surface of the phospholipid bilayer c Proteins in the plasma membrane that release energy d Proteins that are not attracted to water 10 Which part of the plasma membrane is responsible for the movement of ions into and out of the cell? a peripheral proteins b phospholipid bilayer c carbohydrate d cholesterol
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