Unit 6 Review

1. Chose the first three nucleotides of the other DNA strand

A. GGTB. CCTC. GGCD. TTA

C C G T A

1. Chose the first three nucleotides of the other DNA strand

A. GGTB. CCTC. GGCD. TTA

C C G T A

2. During transcription, what does messenger RNA do?

A. It delivers DNA’s instructions for making proteins

B. It constructs proteins out of random amino acids

C. It strings together two complementary DNA strands

D. It strings together two complementary RNA strands

2. During transcription, what does messenger RNA do?

A. It delivers DNA’s instructions for making proteins

B. It constructs proteins out of random amino acids

C. It strings together two complementary DNA strands

D. It strings together two complementary RNA strands

3. The central dogma states that information flows from

A. RNA to DNA to polysaccharidesB. DNA to RNA to proteinsC. RNA to DNA to proteinsD. DNA to polysaccharides to RNA

3. The central dogma states that information flows from

A. RNA to DNA to polysaccharidesB. DNA to RNA to proteinsC. RNA to DNA to proteinsD. DNA to polysaccharides to RNA

4. How many amino acids are coded for by the strand of mRNA shown below? Assume the reading frame begins with the first nucleotide.

CGAUACA. 1B. 2C. 3D. 6

4. How many amino acids are coded for by the strand of mRNA shown below? Assume the reading frame begins with the first nucleotide.

CGAUACA. 1B. 2C. 3D. 6

5. Which of the following is an example of a mutagen?

A. Repair enzyme B. TriglycerideC. UV sunlightD. Thymine

5. Which of the following is an example of a mutagen?

A. Repair enzyme B. TriglycerideC. UV sunlightD. Thymine

6. Which of the following would be the correct mRNA sequence from the following DNA strand?

TACCATTAG

A. ATGGTAATCB. AUGGUAAUCC. AUGTTATTAD. ATGGTATAC

6. Which of the following would be the correct mRNA sequence from the following DNA strand?

TACCATTAG

A. ATGGTAATCB. AUGGUAAUCC. AUGTTATTAD. ATGGTATAC

7. Which enzyme is part of the transcription process?

A. HelicaseB. DNA polymeraseC. LigaseD. RNA polymerase

7. Which enzyme is part of the transcription process?

A. HelicaseB. DNA polymeraseC. LigaseD. RNA polymerase

8. How many codons can be made from 12 RNA nucleotides?

A. 3B. 4C. 12D. 6

8. How many codons can be made from 12 RNA nucleotides?

A. 3B. 4C. 12D. 6

9. Which of the following is NOT a stop codon?

A. UAAB. UGAC. UCAD. UAG

9. Which of the following is NOT a stop codon?

A. UAAB. UGAC. UCAD. UAG

10. Which of the following would be the anticodon if the this was the DNA template ATG CAT

A. UAC GUAB. AUG CAUC. UAG CUAD. TAC GTA

10. Which of the following would be the anticodon if the this was the DNA template ATG CAT

A. UAC GUAB. AUG CAUC. UAG CUAD. TAC GTA

11.Which of the following is a frame shift mutation from the following sequence TTC ATT TAC

A. AAGTAAATGB. TTAATTAAC. AATAAATGD. TTCATTTAC

11.Which of the following is a frame shift mutation from the following sequence TTC ATT TAC

A. AAGTAAATGB. TTAATTAAC. AATAAATGD. TTCATTTAC

12. How many unique amino acids exist?

A. 18B. 15C. 20D. 40

12. How many unique amino acids exist?

A. 18B. 15C. 20D. 40

13. Which of the following is directly used in translation?

A. CytoskeletonB. LysosomesC. MitochondriaD. Ribosome

13. Which of the following is directly used in translation?

A. CytoskeletonB. LysosomesC. MitochondriaD. Ribosome

14. Which of the following does not make up a RNA molecule?

A. PhosphateB. Nitrogen baseC. DeoxyriboseD. Ribose

14. Which of the following does not make up a RNA molecule?

A. PhosphateB. Nitrogen baseC. DeoxyriboseD. Ribose

15. Which of the following is a point mutation, using the original strand AGGCGTCCA

A. AGGCGTCCAB. AGGCGTCCAC. AGGCGTCCAD. AGGCGTCGA

15. Which of the following is a point mutation, using the original strand AGGCGTCCA

A. AGGCGTCCAB. AGGCGTCCAC. AGGCGTCCAD. AGGCGTCGA

16. What is the function of transfer RNA molecules?

A. Transport amino acids to messenger RNAB. Provide a template for the synthesis of

messenger RNAC. Synthesize more transfer RNA moleculesD. Transport amino acids to DNA in the nucelus

16. What is the function of transfer RNA molecules?

A. Transport amino acids to messenger RNAB. Provide a template for the synthesis of

messenger RNAC. Synthesize more transfer RNA moleculesD. Transport amino acids to DNA in the nucelus

17. The presence of which nitrogen base indicates that the molecule associated with the ribosome is RNA?

A. AdenineB. GuanineC. CytosineD. Uracil

17. The presence of which nitrogen base indicates that the molecule associated with the ribosome is RNA?

A. AdenineB. GuanineC. CytosineD. Uracil

18. Which two scientists earned the Noble Prize for discovering the structure of DNA

A. Maurice and RosalindB. Watson and CrickC. Crick and FranklinD. Lewis and Clark

18. Which two scientists earned the Noble Prize for discovering the structure of DNA

A. Maurice and RosalindB. Watson and CrickC. Crick and FranklinD. Lewis and Clark

19. What does DNA stand for?

A. Deoxyribonucleic acidB. Deoxyribose nuclear acetateC. Diethylene nitrate acid

19. What does DNA stand for?

A. Deoxyribonucleic acidB. Deoxyribose nuclear acetateC. Diethylene nitrate acid

20. During which stage of the cell cycle is DNA copied?

A. CytokinesisB. MetaphaseC. S phaseD. G1

20. During which stage of the cell cycle is DNA copied?

A. CytokinesisB. MetaphaseC. S phaseD. G1

21. The four bases found in DNA are

A. Adenine, guanine, cytosine, and taurineB. Adenine, guanine, cytosine, thymineC. Uracil, cytosine, taurine, and alanine

21. The four bases found in DNA are

A. Adenine, guanine, cytosine, and taurineB. Adenine, guanine, cytosine, thymineC. Uracil, cytosine, taurine, and alanine

22. What sugar is found in DNA?

A. GlucoseB. RiboseC. Deoxyribose

22. What sugar is found in DNA?

A. GlucoseB. RiboseC. Deoxyribose

23. What sugar is found in RNA?

A. GlucoseB. RiboseC. Deoxyribose

23. What sugar is found in RNA?

A. GlucoseB. RiboseC. Deoxyribose

24. When DNA is copied, what enzyme connects new bases to old bases and proofreads them?

A. LigaseB. HelicaseC. DNA polymeraseD. RNA polymerase

24. When DNA is copied, what enzyme connects new bases to old bases and proofreads them?

A. LigaseB. HelicaseC. DNA polymeraseD. RNA polymerase

25. When DNA is copied the process is described as what?

A. Non-conservativeB. Semi-conservativeC. Conservative

25. When DNA is copied the process is described as what?

A. Non-conservativeB. Semi-conservativeC. Conservative

26. When DNA is copied, what enzyme unwinds the DNA molecules?

A. Ligase B. HelicaseC. DNA Polymerase D. RNA Polymerase

26. When DNA is copied, what enzyme unwinds the DNA molecules?

A. Ligase B. HelicaseC. DNA Polymerase D. RNA Polymerase