1. Genetics
Lesson 3

2. NGSS LS1.A: Structure and Function
All cells contain genetic information in the form of DNA molecules. Genes are regions in the DNA that contain the instructions that code for the formation of proteins.

3. Key Vocabulary DNA Chromosome Gene Exon Intron Helicase RNA Polymerase
RNA (mRNA, tRNA, rRNA)
Amino Acid
Peptide
Polypeptide
Protein Structure (1°, 2°, 3°, 4°)

4. DNA Structure

5. Coding and Non-Coding DNA

10. Central Dogma: DNA → RNA → Protein

11. Degeneracy of the Genetic Code

12. Protein Structure

13. Complimentary DNA (#1-6)G T A T C A G

14. mRNA from DNA (#7-12) A T G C G A C T
Remember: in RNA, A pairs with U instead of T A T G C G A C T

15. Identify mRNA codons (#13-16)G U C A G U C

16. Amino Acid sequence from mRNA codon sequence (#17-21)G C
Met
His
Cys
Pro
Phe
Ala
Asp