Nuleic Acids

by colt45gill
Last updated 6 years ago


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Nuleic Acids

Nucleic Acids

- Nucleic acids are informational macromolecules. - They are used by all organisms to store hereditary information that determines structural and functional characteristics. - They are the only molecules in existence that can produce identical copies of themselves, and in so doing, allow organisms to reproduce. - There are five types of organic bases found in nucleic acids: adenine (A), guanine(G), cytosine (C), thymine (T), and uracil (U).

- The instructions for creating an organism are stored in digital code along coiled chains of deoxyribonucleic acid, referred to as DNA.- DNA contains the sugar deoxyribose.

- Another nucleic acid, ribonucleic acid, RNA, reads the information in DNA and transports it to the protein-building apparatus of the cell. Here, the instructions direct the production of structural and functional proteins. - RNA contains the sugar ribose.

- The nucleotide adenosine triphosphate (ATP) is used to drive virtually all the energy-requiring reactions in a cell.

- Nucleotide derivatives, such as nicotinamide adenine dinucleotide (NAD+) and flavin adenine dinucleotide (FAD), are used in the production of ATP.NADP+ and is used as a coenzyme in photosynthesis.

- Cyclic adenosine monophosphate (cAMP) is used as a "second messenger" in various hormone interactions.



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