DNA Replication. DNA Deoxyribonucleic Acid Polymer of nucleotides Each nucleotides has 3 parts: 1.2.3.

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Presentation transcript:

DNA Replication

DNA Deoxyribonucleic Acid Polymer of nucleotides Each nucleotides has 3 parts:

Nitrogenous bases

N. bases are the “letters” in the genetic code Sugar phosphate backbone is the “paper” Genetic code is the order of bases!

Genetic Code What is the function? What is a codon? How many codons?

Genetic Code

DNA Replication Purpose Cell Cycle

Transcription PurposeRNADifferences1.2.3.

Types of RNA 1. mRNA 2. tRNA 3. rRNA

Translation PurposeLocation

Terms GenomeChromosomeGene

Steps of DNA Replication Definition Location and Timing

Enzymes Topoisomerase Topoisomerase Helicase Helicase SSB’s SSB’s

Enzymes 4. Primase 5. DNA polymerase 6. Ligase

Sequence of DNA replication 1. Open the DNA molecule

Sequence 2. Primase –

Leading Strand 3. DNA polymerase

Lagging Strand 3. Okazaki Fragments

4. Remove RNA primer 5. Ligase

End Product 1.Two complete double stranded DNA molecules 2. Identical to each other and the parent molecule

Semiconservative

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