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12-2: DNA Replication and Chromosomes
Mind map: DNA replication and chromosomes
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12-2: DNA Replication and Chromosomes
Chromosomal Structure
- Chromatin: substance, tightly packed DNA and proteins
- Proteins are called "histones"
- Nucleosome: bead-like structure, DNA and histone
- Nucleosomes have some DNA and histones
- Chromatin: substance, tightly packed DNA and proteins
DNA Replication
- occurs in many places, proceeds in both directions until DNA is completely copied
- complementary strands: strands that can be used for production of other strands
- DNA molecule separates, produces two new complementary strands following rules of base-paring
- DNA Polymerase: enzyme used in replication
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- 12-2 of Biology Textbook (prentice hall)
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- Taylor Nguyen
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