Glucose and Marks

2494 WordsMar 7, 201310 Pages
Biological Molecules Revision Questions 1. Maltose and sucrose are disaccharide sugars in which a bond joins two monosaccharide molecules. Sucrose is formed by the formation of a bond between carbon 1 of a glucose molecule and carbon 2 of a fructose molecule. (i) Name the bond that joins the two molecules to form a disaccharide. ......................................................................................................................... [1] (ii) Complete the diagram below to show what happens when the glucose and fructose molecules join together. [2] [Total 3 marks] 2. Glucose: • is a carbohydrate • is a hexose (six-carbon sugar) • has the formula C6H12O6 • has a six-membered ring structure. The diagram below…show more content…
(i) Describe the molecular structure of glycogen. ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... [4] (ii) Name the type of chemical reaction that takes place during the formation of glycogen. ......................................................................................................................... [1] [Total 5 marks] 8. In the search for new biofuels, research has been done into the digestion of wood waste by fungi. The cellulase enzymes produced by the fungi break cellulose into sugars. These sugars
Open Document