5 Which bio-organic molecular group is used for Growth and Repair O Nucleic Acids
o Protein
O Lipids
O Carbohydrates

Part of molten rock at mid-ocean ridges

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?