Gas exchange and Glycogen 0.0 / 5 ? BiologyBiological molecules, organic chemistry and biochemistryASEdexcel Created by: francesca_321Created on: 09-05-16 20:02 Where does gas exhange occur? through the cell membrane 1 of 12 What is the membrane? thin 2 of 12 How does oxygen enter the cell? from water 3 of 12 What type of molecules are O2? small non polar molecules 4 of 12 What is diffusion? travel down a concentration gradient 5 of 12 What do molecules normally have? a large surface area to volume ratio 6 of 12 What is glycogen made up of? alpha glucose 7 of 12 What bonds does Glycogen have? joined by 1,4/1,6 glycosidic bonds 8 of 12 What sort of structure is glycogen? branched, compact structure 9 of 12 What is it normally? hydrolysed 10 of 12 What about the solubility? low 11 of 12 What does glycogen not do? diffuse out of cells 12 of 12
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