Lipid movement showing migration of the lipid from one monolayer to another is called? flexion lateral diffusion flip-flop rotation
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Lipid movement showing migration of the lipid from one monolayer to another is called?
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lateral diffusion |
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- Cell membranes consist mainly of ________ and ________. a. lipids; carbohydrates b. phospholipids; proteins c. lipids; carbohydrates d. phospholipids; ECMIn a lipid bilayer, the of all the lipid molecules are sandwiched between all of the __________. a. hydrophilic tails; hydrophobic heads b. hydrophilic heads; hydrophilic tails c. hydrophobic tails; hydrophilic heads d. hydrophobic heads; hydrophilic tailsWhich type of protein is classified by a polypeptide which is arranged in long strands or sheets? fibrous proteins globular proteins membrane proteins intrinsically disordered proteins
- When cross sectional area of the head group and acyl side chain is similar, which of the following lipid aggregates formation is favored?a) Micellesb) Bilayerc) Liposomed) Myelin sheathAll lipids are absorbed into absorptive cells of the small intestine by which process? Primary active transport Secondary active transport Osmosis Facilitated diffusion Simple diffusionIn most cells, the lipid molecules that form the cell membrane bond to one another to form a firm, impermeable sheet. True or Flase
- When cross sectional area of the head group is greater than that of the acyl side chain, which of the following lipid aggregates formation is favored?a) Micellesb) Bilayerc) Liposomed) Myelin sheathWhich of the following would you expect to be freely permeable through a pure lipid bilayer? molecular nitrogen fructose ATP sodium ions helium glucose glycine carbon dioxideWhich of the following phospholipid is considered as structural components of nervous tissue? Sphingomyelin Glycerophospholipid Inositol Plasmalogen
- Which of the following components is attached to lipids and proteins on the extracellular side of the membrane? Group of answer choices cholesterol peripheral proteins carbohydrates integral proteinswhat do not easily diffuse across a lipid bi-layerDraw a lipid bilayer containing any or all of the fatty acids in number one with the presence of Cholesterol and membrane proteins. Your lipid bilayer must contain at least 20 lipid units (including Cholesterol).