Clicker quiz!Have your clickers ready!

1. A codon is:

1 2 3 4

25% 25%25%25%1. An amino acid.2. A type of

mutation3. Three mRNA

bases that code for an amino acid.

4. The genetic code.

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2. A gene is:

1 2 3 4

25% 25%25%25%1. Another word for “codon.”

2. A segment of DNA that codes for a protein.

3. A type of protein.

4. Mutated DNA.

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3. Which statement about RNA is FALSE?

1 2 3 4

25% 25%25%25%1. RNA contains uracil.

2. RNA exists as a single strand.

3. RNA contains ribose sugar.

4. RNA is a protein.

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4. At the start of transcription, RNA polymerase binds to:

1 2 3 4

25% 25%25%25%1. An enzyme.2. A promoter

sequence.3. A tRNA.4. An amino acid.

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5. A segment of DNA reads TCA. The mRNA sequence transcribed from this will read:

1 2 3 4

25% 25%25%25%

1. UCA2. AGU3. UGU4. ACA

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6. An mRNA molecule carries the code to make a:

1 2 3 4

25% 25%25%25%1. Nucleic acid2. Strand of DNA3. Gene4. Protein

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