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Name: ______________________________________ Date: _______________ Hour: _____________ DNA Quiz: The last quiz you will ever take in Biology! Part 1: fill in the blank and multiple choice 1. ____________ is short for deoxyribonucleic acid. 2. ____________ is short for ribonucleic acid. 3. DNA is found in the a. Cell b. Nucleus of the cell c. Axon d. Everywhere 4. ______________ and ______________ make up the backbone of the double helix a. Cytosine and guanine b. Ribose and phosphate c. Deoxyribose and phosphate d. Adenine and Thymine 5. The three things that make up DNA include a. Nitrogenous base, hydrogen, phosphate b. Thymine, hydrogen and phosphate c. Deoxyribose, phosphate and nitrogenous base 6. Adenine, guanine, thymine and cytosine are all examples of a. DNA b. RNA c. Nitrogenous bases d. Sugars 7. What holds nitrogen bases together in the double helix? a. Covalent bonds b. Hydrogen bonds c. Plain bonds d. Ionic bonds 8. In DNA, adenine pairs with _____________________________. 9. In DNA, guanine pairs with _____________________________. 10. In mRNA, adenine pairs with ___________________________. 11. In mRNA, guanine pairs with ___________________________. 12. The process when DNA strands make more DNA is called a. Transcription b. Replication c. Translation 13. The process by DNA coding for mRNA is called a. Transcription b. Replication c. Translation 14. The process by mRNA codes for protein is called a. Transcription b. Replication c. Translation 15. A chain of amino acids is called a a. Polypeptide b. Protein c. Just A d. Both A and B 16. What enzyme is responsible for separating the DNA strands during replication? a. DNA polymerase b. RNA polymerase c. Helicase d. Proofreaders 17. What type of RNA molecule contains the instructions for making a protein? a. RNA b. rRNA c. mRNA d. tRNA 18. What type of RNA molecule is responsible for bringing the amino acids to the ribosome? a. RNA b. rRNA c. mRNA d. tRNA 19. What two people get the credit for the double helix model? _________________________________ and _______________________________ 20. What other person should get credit for the double helix model? ___________________________________________ 21. What is the role of RNA polymerase in transcription? a. bonds RNA to DNA b. unzips RNA strand so it can replicate c. unzips DNA and brings in the complementary RNA nucleotides d. unzips DNA and attaches the complementary RNA nucleotides. Part 2: Replication, Transcription and Translation For each of the following sequences, fill in either the DNA, the mRNA sequence, the rRNA anticodons, or the amino acid sequences that have been left blank. If several sequences might work choose any one. Use the translation key to find the correct Amino Acid abbreviation. Record only the first THREE letters of the amino acid! 22. DNA mRNA __________________ A U G A C U A G C U G G tRNA G G G U A U U U U __________________________________ Amino A. 23. DNA U A C ___________________ T A C C G C T C C G C C G T C G A C A A T A C C A C T mRNA _______________________ tRNA _______________________ Amino A. _______________________ 24. Describe the process of DNA replication. Be sure to include the following terms: Helicase, hydrogen bonds, DNA polymerase, Deoxyribose, phosphate, proof reading enzymes and nitrogen bases. 25. **Multipart question, read carefully** Describe a codon. Include the type of genetic material a codon consists of, the number of nitrogen bases in a codon, and explain how a codon is used in translation and how it differs from an anticodon. 26. What are three main differences between DNA and RNA? 27. Explain why learning about DNA is important and relevant to you, your everyday life and/or your future.
