Building Carbohydrates. Build a Molecule With your group, build a molecule of glucose using the molecular model kit. Key Hydrogen: white Oxygen: red Carbon:

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Presentation transcript:

Building Carbohydrates

Build a Molecule With your group, build a molecule of glucose using the molecular model kit. Key Hydrogen: white Oxygen: red Carbon: black

Question #1 Observe your glucose molecule. How many of each atom is present in 1 molecule of glucose?  Carbon:  Hydrogen:  Oxygen:

Question #2 Multiple these numbers by 2 to find the total number of atoms in 2 glucose molecules.  48

Question #3 Remove the hydroxide (OH) from one glucose molecule, and the hydrogen from the carboxyl group (C=O) end of the other glucose. Attach these 2 molecules together.  You just formed a  What was left was a molecule of  Was any matter lost/destroyed? disaccharide Water No!

Question #4 This process is called because water is released as a macromolecule is built/synthesized. Dehydration synthesis

Question #5 Now take the water molecule apart and put the atoms back where they were before. This broke the 2 glucose molecules apart and they have become a again. monosaccharide

Question #6 This process is called because water was used to break a bond and break a polymer into its monomers. hydrolysis

Question #7 Carbohydrates are used for and. energy storage

Question #8 is a type of carbohydrate used for strengthening cell walls of plants. cellulose

Question #9 is a type of carbohydrate used in both plants and animals for energy storage. starch

Question #10 is a type of carbohydrate used in the human liver for energy storage. glycogen