1. DNA, RNA, & Protein Synthesis (12.3) State Standards 2A. Distinguish between DNA and RNA. 2B. Explain the role of DNA in storing and transmitting cellular information.

2. 12.3 DNA, RNA, and Protein Molecular Genetics Central Dogma  RNA  Contains the sugar ____________ and the base ____________  Usually is ____________ stranded Chapter 12 ____________ to RNA…RNA to ____________

3. RNA vs. DNA RNA Sugar: ____________ Bases: _______ & _______ Strands: ____________ DNA Sugar: ____________ Bases: _______ & _______ Strands: ____________

4. Molecular Genetics Messenger RNA (mRNA)  Long strands of RNA nucleotides that are formed ____________ to one strand of DNA Ribosomal RNA (rRNA)  Associates with proteins to form ____________ in the ____________ Transfer RNA (tRNA)  Smaller segments of RNA nucleotides that transport ____________ to the ____________ 12.3 DNA, RNA, and Protein Chapter 12

5. Molecular Genetics 12.3 DNA, RNA, and Protein Chapter 12

6.  DNA is unzipped in the nucleus and _______ ____________ binds to a specific section where an mRNA will be synthesized. Molecular Genetics Transcription  Through transcription, the _______ code is transferred to _______ in the ____________. 12.3 DNA, RNA, and Protein Chapter 12

7. Molecular Genetics The Code  Experiments during the 1960s demonstrated that the DNA code was a ____________ - base code.  The three-base code in DNA or mRNA is called a ____________. 12.3 DNA, RNA, and Protein Chapter 12

8. Molecular Genetics Translation  In translation, _______ molecules act as the interpreters of the mRNA ____________ sequence.  At the middle of the folded strand, there is a three-base coding sequence called the ____________.  Each anticodon is ____________ to a codon on the mRNA. 12.3 DNA, RNA, and Protein Chapter 12