BIOLOGY - Cell Membrane Crossword Puzzle

QUESTIONS LIST:

• phospholipid : molecule forming the basic bilayer structure of cell membranes.
• bilayer : double-layered arrangement of phospholipids in membranes.
• pinocytosis : “cell drinking”; uptake of liquids into small vesicles.
• glycolipid : lipid with carbohydrate chain involved in cell signalling.
• endocytosis : bulk transport of substances into the cell via vesicles.
• osmosis : diffusion of water across a selectively permeable membrane.
• facilitated : type of diffusion using channel or carrier proteins.
• phagocytosis : “cell eating”; ingestion of large particles by vesicles.
• channelprotein : protein forming hydrophilic pores allowing ions to pass.
• exocytosis : vesicle-mediated release of materials out of the cell.
• activetransport : movement of substances against a concentration gradient using atp.
• carrierprotein : membrane protein that changes shape to transport substances.
• hydrophilic : water-attracting; describes the phosphate heads in the membrane.
• waterpotential : measure determining direction of water movement across membranes.
• diffusion : passive movement of molecules from high to low concentration.
• fluidmosaic : model describing membrane structure as flexible with embedded proteins.
• cholesterol : molecule that regulates membrane fluidity in animal cells.
• concentrationgradient : difference in concentration driving diffusion.
• glycoprotein : membrane protein with carbohydrate chain important for cell recognition.
• hydrophobic : water-repelling; describes the fatty acid tails in the membrane.
• vesicle : membrane-bound sac used in bulk transport.