Nucleic Acids and Nucleic Acids and ATPATP
Nucleic AcidsNucleic Acids
Named because they were first found in the nucleus of cells
VERY VERY BIGContain C, H, O, N and P
NucleotidesNucleotides
The Building Block of Nucleic Acids
Nucleotides ContinuesNucleotides Continues
3 parts:– Phosphate Group– Nitrogenous Base– Sugar
Deoxyribose in DNA Ribose in RNA
Phosphate GroupPhosphate Group
PO4
Nitrogenous BaseNitrogenous Base
AdenineCytosineGuanineThymineUracil
GenesGenes
About 1000 rungs of DNA make a single gene
StructureStructure
DNA – double helix– Contains T and not U
RNA– Single Stranded– Contains U and not T– mRNA, tRNA and rRNA
ATPATP
Adenosine TriPhosphateTransfers energy from energy releasing
reactions to energy-requiring reactions that maintain cellular activities
StructureStructure
3 phosphate groups attached to an adenosine molecule
Energy Transferring ReactionEnergy Transferring Reaction
Via hydrolysis, the last phosphate group is removed and releases energy
Produces ADP – adenosine Diphosphate