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Strands are said to be complementary
Each DNA strand has all info needed to reconstruct the other half because each base only pairs with one other base
Result of Replication
2 DNA molecules identical to eachother, each molecule has an original strand and a new strand
DNA at the tips of chromosomes that are difficult to replicate, use enzyme (telomerase) to speed it up
Prokaryotic cells during replication
Starts at a single point and travels in both directions until the whole circular chromosome is copied
Eukaryotic cells during replication
begins at dozens or even hundreds of places on the DNA and goes in both directions until each chromosome is completely copied
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