Summary Structure of Nucleic Acids

Structure of Nucleic
Acids
Chemistry

, Structure of Nucleic Acids


Central Dogma:theory stating that genetic information only flows in one direction.

from DNA
to to protein
RNA
& Reverse transcription IS a possible phenomenon and it is called REVERSE

CENTRAL DOGMA
·


Everything related to the cell (Ex:amino acid sequence or nucleotide
RNA sequence) depends on


the nucleotide sequence in the cell's DNA



segmentcontaining the information
Gene:DNA required for protein or synthesis
RNA




A whatare the only known functions?
DNA

storage and transmission of biological information



nucleotide
* A Must contain:

1. Heterocyclic nitrogenous base

2. five carbon sugar (pentose]
-




3. One or more phosphates - > Lack of this nucleoside
:




N-Glycosidic bond found between

andI carbon
nitrogen


&
5
↓
4
< -
phosphoester 3 2




bond between

sugar and phosphate
-> There can be 1, 2, or 3 phosphategroups 3 or 5' Hydroxyl group