The Carbon Skeleton and Functional Groups
- The skeleton or backbone of an organic molecule is made up of carbon chain.
- The skeleton of an organic molecule determines its shape.
- A functional group may be attached to the organic molecule.
- A functional group can be defined as a specific combination of atoms that always react in the same way irrespective of the carbon skeleton they are attached to.
- A functional group imparts a specific chemical identity to the carbon skeleton. For example, when -OH is attached to an organic molecule, it becomes an alcohol.
- The functional groups determine the polarity of an organic molecule to which they are attached.
- It also determines the type of reaction the organic molecule would undergo.
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The phosphate (
) group is polar, acidic, present in nucleotides and phospholipids
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