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4. The fatty acid chain of the lipids is often referred to as a hydrocarbon chain. Discuss with your group why the chain is given this name and write a one-sentence definition for a hydrocarbon.5. Which molecule has a central carbon atom with four different components around it?6. Which molecule has a sugar, nitrogenous base, and phosphate group?7. Discuss with your group members some similarities among all four types of molecules. List as many as you can.8. What is the chemical formula of the first carbohydrate molecule shown?9. What three structural groups shown do all amino acids have in common?10. There are 20 naturally-occurring amino acids, and each one only varies in the structure of the R side chain. Two amino acids are shown in Model 1. What are the R side chains in each?Read This!C,H,OC,H,N,OC,H,N,O,PLipidsHydrogen