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The Central Dogma of Biology & Protein Synthesis Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. How many amino acids are specified by each different codon?

Question 2 2. Which of the following is the correct sequence in which a DNA sequence is used to produce a protein?

Question 3 3. What is an operon?

Question 4 4. Why is protein synthesis important?

Question 5 5. How do most antibiotics that inhibit protein synthesis work?

Page 2

Question 6 6. What molecule brings amino acids to the growing protein during translation?

Question 7 7. In which portion of the mitochondria are mitochondrial proteins synthesized?

Question 8 8. Where are the vast majority, about 99%, of mitochondrial proteins synthesized?

Question 9 9. Which strand of DNA serves as the template for transcription?

Question 10 10. Which of the following is the enzyme that adds RNA nucleotides to build off of the antisense strand?

Page 3

Question 11 11. What are the subunits of protein?

Question 12 12. Which organelle is responsible for actually making proteins?

Question 13 13. How many amino acids exist?

Question 14 14. One end of a polypeptide is the N-terminal, and the other side is the C-terminal. What is found at the C-terminal?

Question 15 15. How many nucleotide bases make up a codon?

Page 4

Question 16 16. The letters used in the codon chart come from which type of nucleic acid strand?

Question 17 17. Why can we manufacture insulin for humans with bacteria?

Question 18 18. The ability of codons to match with the appropriate amino acids is called _____.

Question 19 19. In which step does the ribosome reach a stop codon and end the process of translation?

Question 20 20. During translation protein X, the codon UAA is found on the mRNA. This codon codes for _____.

Page 5

Question 21 21. How many subunits make up the ribosome complex?

Question 22 22. Which two types of nucleic acids move into the ribosome during translation?

Question 23 23. Which of the following is the process of transferring genetic information from DNA to RNA?

Question 24 24. What is the term for a distinct section of DNA that codes for one protein?

Question 25 25. What does the 't' stand for in tRNA?

Page 6

Question 26 26. Which of the following are steps in protein synthesis?

Question 27 27. Which of the following mutations in bacteria could lead to antibiotic resistance against tetracyclin antibiotics?

Question 28 28. How are mitochondrial proteins synthesized?

Question 29 29. Where in the cell does transcription occur?

Question 30 30. Which molecule is the link between DNA and protein synthesis?

The Central Dogma of Biology & Protein Synthesis Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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