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= DNA Nucleotide Phosphate Nitrogen Base Pairs:

Published byMarvin Shields Modified over 6 years ago

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Presentation on theme: "= DNA Nucleotide Phosphate Nitrogen Base Pairs:"— Presentation transcript:

1 = DNA Nucleotide Phosphate Nitrogen Base Pairs:
Deoxyribose Phosphate Nitrogen Base Nitrogen Base Pairs: Adenine pairs with Thymine Guanine pairs with Cytosine

2 Base Pairing Rule Adenine pairs with Thymine
Guanine pairs with Cytosine The order of nitrogen bases along a gene forms a genetic code that specifies what protein is produced

3 DNA Replication DNA nucleotides attach to each strand
DNA strands separate DNA nucleotides attach to each strand

4 Each new DNA molecule will be an exact copy of the original

5 First, DNA strands separate by an enzyme called DNA helicase

6 Second, An enzyme called DNA Polymerase adds complementary bases to “single stranded” - A with T - C with G

7 Third, DNA nucleotides are attached to DNA strand

8 Fourth and final, the RNA is removed

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