Practice+Activity+3

=﻿Nucleic Acids & Protein Synthesis Practice Quiz=

1. **What sugar does DNA contain?**
 * a.** ribose
 * b.** glucose
 * c.** deoxyribose

2. **What sugar does RNA contain?**
 * a.** ribose
 * b.** glucose
 * c.** deoxyribose

3. **What is the enzyme that pulls DNA strands apart during replication?**
 * a.** DNA polymerase
 * b.** helicase
 * c.** RNA polymerase

4. **What is the fuction of mRNA?**

5. **What are the two phases of protein synthesis?** 6. **What is the mRNA strand that would go with the following in transcription?** ATG CGA TTC AGC

7. **What are the three types of mutations?** 8. **Can mutations effect any living organisms?**
 * a.** yes
 * b.** no
 * c.** maybe
 * d.** i don't care

9. **What kind of effects can mutations have?**
 * a.** positive
 * b.** negative
 * c.** no effect
 * d.** all of the above


 * Answer Key**
 * c
 * b
 * b
 * 1) It carries copies of intructions for the assembly of amino acids into proteins from DNA to the rest of the cell
 * 2) Transcription and translation
 * 3) UTC GCU UCG
 * 4) Substitution, insertion, deletion
 * a, and quite possibly, d.
 * d