Membrane Structure Crossword Puzzle
Download and print this Membrane Structure crossword puzzle.
QUESTIONS LIST:
- enzymes : proteins in the plasma membrane that carry out final stages of starch and protein digestion in small intestine.
- ecm : the mesh-work surrounding animal cells, consisting of glycoproteins , polysaccharides and proteoglycans synthesized and secreted by cells.
- channel : protein that provides hydrophilic passageways through otherwise hydrophobic membranes.
- integral : proteins that penetrate the hydrophobic interior of the lipid bilayer.
- hydrophilic : affinity for water.
- bilayer : a double layer of phospholipids that makes up a plasma membrane.
- saturated : hydrocarbon tails pack together increasing membrane viscosity.
- transport : proteins that facilitate the movements of nutrients such as sugars and amino acids across membranes.
- mosaic : the currently accepted model of cell membrane structure. fluid _ model.
- aquaporin : a channel protein i a cellular membrane that specifically facilitates osmosis.
- glycolipid : a lipid with one or more covalently attached carbohydrates.
- peripheral : proteins that are looseley bound to the surface of the membrane.
- porin : group of pore forming trans-membrane proteins.
- hydrophobic : having no affinity for water.
- phospholipid : a lipid made up of glycerol joined to two fatty acids and a phosphate group.
- glycoprotein : a protein with one or more covalently attached carbohydrates.
- unsaturated : hydrocarbon tails (kinked) prevent packing, enhancing membrane fluidity.
- cholesterol : reduces membrane fluidity at moderate temperatures by reducing phospholipid movement.
- membrane : regulates what enters and leaves the cell and separates the internal environment of the cell from the external environment.
- permeability : like all biological membranes,the plasma membrane exhibits selective _ ; that is, it allows some substances to cross it more easily than others.
- proton : _ pumps, are electrogenic pumps that store energy by generating voltage across membranes.
- amphipathic : a phospholipid is an _ molecule.