6chapter12
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DNA stores and transmits genetic information from one generation to the next. Watson and Crick discovered that DNA has a double helix structure with two strands wound around each other. DNA replication and transcription produce new DNA and RNA molecules, while translation uses RNA to produce proteins according to the genetic code stored in DNA. Mutations are changes in the DNA sequence that affect the genetic information.
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6chapter12
- 1. Chapter 12 DNA and RNA
- 2. Transformation Transformation is the process in which one strain of bacteria is changed by a gene or genes from another strand of bacteria. Frederick Griffith
- 3. Avery and DNA DNA stores and transmits the genetic information from one generation of an organism to the next. Oswald Avery
- 4. Structure of DNA Watson and Crick’s model of DNA was a double helix which was two strands wound around each other.
- 5. DNA and Chromosomes Eukaryotic chromosomes contain both DNA and protein, tightly packed together to form chromatin.
- 6. DNA Replication DNA molecules separates into two strands then produces two new complimentary strands.
- 7. Transcription RNA molecules are produced by copying part of the nucleotide sequence of DNA into a complimentary sequence in RNA.
- 8. Translation The Cell uses information from messenger RNA to produce proteins.
- 9. Mutations Changes in the DNA sequence that affect genetic information.