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| 7443639766 | Phosphate Group | consists of a phosphorus atom bonded to four oxygen atoms. It is usually ionized and attached to the carbon skeleton by one of its oxygen atoms. ATP, DNA, & RNA component |  | 0 |
| 7443639767 | Amino Group | composed of a nitrogen bonded to two hydrogen atoms and the carbon skeleton. It acts as a base by picking up H+ from a solution. Organic compounds with an amino group are called amines. Amino acids, the building blocks of proteins, contain a carboxyl and an amino group. |  | 1 |
| 7443639768 | Carbonyl Group | a carbon atom is linked by a double bond to an oxygen atom. If the carbon of the carbonyl group is at the end of a carbon skeleton, the compound is called an aldehyde; if it is within the chain, the compound is called a ketone. |  | 2 |
| 7443639769 | Hydroxyl Group | consists of a hydrogen atom bonded to an oxygen atom, which in turn is bonded to the carbon skeleton. Ethanol and other organic compounds containing hydroxyl groups are called alcohols. |  | 3 |
| 7443639770 | Sulfhydryl | consists of a sulfur atom bonded to an atom of hydrogen. These groups can cross link and help to fold proteins, when present. |  | 4 |
| 7443639771 | Carboxyl Group | -COOH. These are a source of H. Considered an acids & polar. |  | 5 |
| 7443639772 | Methyl | consists of a carbon bonded to three hydrogens. Compounds with these groups are called methylated compounds. When combined with DNA or RNA, they affect DNA function and gene expression |  | 6 |
