F211 AS Biology 0.0 / 5 ? BiologyCellular processesASOCR Created by: Amy CockingCreated on: 04-01-14 12:26 what is the function of cholestrol in the membrane this steroid molecule provides stability 1 of 15 what do channel proteins transport polar substances such as ions 2 of 15 what is the function of glycoproteins and glycolipids cell adhesion, antigens and cell signalling 3 of 15 what do carrier proteins transport larger molecules such as glucose 4 of 15 how does a carrier protein transport molecules the binding of the molecule causes deformation of the protein 5 of 15 how do fat-soluble molecules move through the membrane simple diffusion through the membrane 6 of 15 Crenation is... when a animal cell shrinks and appears wrinkled 7 of 15 the DNA and histone proteins together are called...? chromatin 8 of 15 Inspiration causes: diaphragm contracts, pressure decreases, intercostals contracts, volume of chest cavity increases 9 of 15 Expiration causes: diaphragm relaxes, intercostals relax, pressure increases, volume of chest cavity decreases 10 of 15 what arteries lie on the surface of the heart coronary arteries 11 of 15 what initiates a a wave of excitation? the SinoAtrial Node (SAN) also known as the pacemaker 12 of 15 why is there a delay at the Atrioventricular node? to allow the atria to finish contracting and for the blood to flow down in to the ventricles 13 of 15 in the lymphatic system, the pressure is higher at which end? arterial 14 of 15 Where does some of the tissue fluid drain to? lymph vessels 15 of 15
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