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Biology - Unit 8: DNA & RNA Test ____ 1. Identify the process that converts the information in DNA into RNA. a. replication b. transcription c. translation d. duplication ____ 2. The nitrogen bases that attach to hold the DNA molecule together are connected by_____. a. strong covalent b. weak covalent c. strong hydrogen d. weak hydrogen bonds bonds bonds bonds ____ 3. Which scientist’s X-ray image helped Watson & Crick figure out the three-dimensional structure of DNA? a. Griffith b. Chase c. Franklin d. Chargaff ____ 4. The main difference between the four nucleotides that make up RNA is that they have different a. sugars. b. bases. c. bonds. d. phosphates. Multiple Choice ____ 5. Crick's central dogma of molecular biology is essentially a summary of a. base pairing rules for all nucleotides. b. genetic code stored in all start codons. c. amino acid relationships to ribosomes. d. replication, transcription, and translation. ____ 6. How many amino acids are coded for in the following sequence of mRNA nucleotides? Begin with the first nucleotide. CGAUACAGUAGC a. 3 b. 4 c. 6 d. 12 ____ 7. Which of the following is the site of DNA replication in eukaryotes? a. cytoplasm b. ribosome c. nucleus d. vacuole ____ 8. The “backbone” of the DNA molecule is made up of_______. a. sugar b. phosphate c. nitrogen base pairs d. sugar & phosphate ____ 9. In order to produce all the protein that a cell needs, transcription takes place a. on a gene segment over and over again. c. using double-stranded RNA. b. on a gene segment only once. d. using single-stranded RNA. ____ 10. Identify the process that copies the information in DNA to produce 2 identical DNA molecules. a. replication b. transcription c. translation d. duplication ____ 11. Figure 8.2 shows a single strand of DNA. Choose the nucleotide sequence of the complementary RNA strand. a. TAGACTC b. ATCTCAG c. AUCUCAG ____ 12. The rule that tells us which nitrogen bases can pair together is____. a. Chargaff’s rule c. Crick’s rule b. Watson’s rule d. Franklin’s rule ____ 13. Helicase is a/n______. d. CTGAGAT a. sugar b. phosphate c. nitrogen containing base d. enzyme ____ 14. In humans, where does DNA replication take place? a. cytoplasm b. ribosome c. nucleus d. vacuole ____ 15. The RNA molecule can best be describes as_. a. a single strand b. a double strand c. a double helix d. a triple helix ____ 16. Why does DNA replication take place? a. to make proteins b. so that both cells produced have a full copy of DNA c. so that cells can have more DNA available d. because sex cells need a full copy of DNA ____ 17. Figure 8.1 shows a single strand of DNA. Identify the nucleotide sequence of the other DNA strand. a. CCGTACT b. GGCAUGU c. GGACTGA d. GGCATGA ____ 18. The function of an enzyme during DNA replication, transcription, or translation is to____. a. speed up the process c. create new nucleotides b. stop the reaction d. match base pairs ____ 19. Where are proteins formed? a. in the cytoplasm b. in the ribosomes c. in the nucleus d. in the anticodon 20. Using the Genetic Code Chart, Identify the amino acid specified by the codon AGU. Short Answer 21. What process is shown in Figure 8.3? 22. Write the number in Figure 8.3 that corresponds to the amino acid. 23. Identify the structure labeled 5 in figure 8.3. 24. Identify the structure labeled 3 in Figure 8.3. Biolog - Unit 8: DNA & RNA PRACTICE Test Answer Section 1. ANS: B PTS: 1 2. ANS: C PTS: 1 3. ANS: C PTS: 1 DIF: Level A REF: act0976aaf18007e124_38 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 4. ANS: B PTS: 1 DIF: Level A REF: act0976aaf18007e124_46 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.9 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 5. ANS: D PTS: 1 DIF: Level B REF: act0976aaf18007e125_96 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.3 | FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - B NOT: 978-0-618-78317-5 6. ANS: B PTS: 1 DIF: Level B REF: act0976aaf18007e125_104 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - B NOT: 978-0-618-78317-5 7. ANS: C PTS: 1 DIF: Level B REF: act0976aaf18007e125_55 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.14.2 | FL.NGSSS.SCI.08.9-12.SC.912.L.14.3 | FL.NGSSS.SCI.08.9-12.SC.912.L.16.3 TOP: Ch 8 Test - B NOT: 978-0-618-78317-5 8. ANS: D PTS: 1 9. ANS: A PTS: 1 DIF: Level A REF: act0976aaf18007e124_87 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 10. ANS: A PTS: 1 11. ANS: C PTS: 1 DIF: Level A REF: act0976aaf18007e124_70 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 12. ANS: A PTS: 1 13. ANS: D PTS: 1 DIF: Level A REF: act0976aaf18007e124_62 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.9 | FL.NGSSS.SCI.08.9-12.SC.912.L.18.1 | FL.NGSSS.SCI.08.9-12.SC.912.L.18.4 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 14. ANS: C PTS: 1 DIF: Level A REF: act0976aaf18007e124_54 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.14.3 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 15. ANS: A PTS: 1 16. ANS: B PTS: 1 17. ANS: D PTS: 1 DIF: Level A REF: act0976aaf18007e124_30 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.9 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 18. ANS: A PTS: 1 19. ANS: B PTS: 1 DIF: Level A REF: act0976aaf18007e124_111 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.14.3 | FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 20. ANS: serine PTS: 1 21. ANS: translation PTS: 1 DIF: Level A REF: act0976aaf18007e124_144 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 22. ANS: 1 PTS: 1 DIF: Level A REF: act0976aaf18007e124_156 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 23. ANS: ribosome PTS: 1 DIF: Level A REF: act0976aaf18007e124_148 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5 24. ANS: RNA PTS: 1 DIF: Level A REF: act0976aaf18007e124_152 STA: FL.NGSSS.SCI.08.9-12.SC.912.L.16.5 TOP: Ch 8 Test - A NOT: 978-0-618-78317-5