1. Have your clickers ready!

2. 1. An amino acid. 2. A type of mutation 3. Three mRNA bases that code for an amino acid. 4. The genetic code. Countdown 30

3. 1. Another word for “codon.” 2. A segment of DNA that codes for a protein. 3. A type of protein. 4. Mutated DNA. Countdown 30

4. 1. RNA contains uracil. 2. RNA exists as a single strand. 3. RNA contains ribose sugar. 4. RNA is a protein. Countdown 30

5. 1. An enzyme. 2. A promoter sequence. 3. A tRNA. 4. An amino acid. Countdown 30

6. 1. UCA 2. AGU 3. UGU 4. ACA Countdown 30

7. 1. Nucleic acid 2. Strand of DNA 3. Gene 4. Protein Countdown 30