Nucleic acids: ___________ Regents Biology 2006 -2007
Nucleic Acids Examples u ______ § Deoxyribo. Nucleic Acid u ______ § Ribo. Nucleic Acid Regents Biology
Nucleic Acids § Function: u genetic material § _____________ w genes w blueprint for building proteins n DNA RNA proteins § _____________ w blueprint for new cells w blueprint for next generation Regentsproteins Biology
Genes (DNA) are needed to run bodies every day… to make you and me… to make new cells… to make babies! G T A Regents Biology A C G T C G A T C A
Nucleic acids § Building block = _________ nucleotide – nucleotide u ____________ u u different nitrogen bases __________ sugar phosphate Regents Biology N base Nitrogen bases I’m the A, T, C, G or U part!
Nucleotide chains § Nucleic acids u N base sugar N base phosphate nucleotides chained into a polymer § _________ w ________________ w ________ § _________ w ________________ phosphate Regents Biology sugar RNA
DNA § Double strand twists into a double helix ________ between nitrogen bases join the 2 strands § __________ w A : : T _______ § __________ w C : : G u the two strands can easily separate when our cells need to make copies of it u Regents Biology
Copying DNA § ___________ copy DNA u 2 strands of DNA helix are ____________ u § they are matching § have one, can build other § have one, can rebuild the whole Regents Biology
DNA replication § Copying DNA u pairing of the bases allows each strand to serve as a pattern for a new strand Regents Biology Newly copied strands of DNA
1953 | 1962 Watson and Crick … and others… Regents Biology
HELIX Let’s build some Regents Biology DNA!