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Praxis General Science: The Transcription & Translation Process 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!

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Question 1 1. The repressor blocks RNA polymerase from binding to the promoter, making _____ impossible.

Question 2 2. Which part(s) of a gene produces a protein product?

Question 3 3. The Central Dogma is a framework used to represent which of the following?

Question 4 4. All of the following statements are correct, EXCEPT:

Question 5 5. Why are ribosomes important?

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Question 6 6. How many subunits make up the ribosome complex?

Question 7 7. Which part of the lac operon codes for the lactose digesting enzymes?

Question 8 8. In which step does the polypeptide continue to grow as amino acids are added to the chain?

Question 9 9. What does the 'm' stand for in 'mRNA'?

Question 10 10. Which two types of nucleic acids move into the ribosome during translation?

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Question 11 11. What are the functions of spliceosomes in RNA splicing?

Question 12 12. In which phase of transcription does the RNA polymerase attach to the promoter sequence of DNA?

Question 13 13. Which is the strand that serves as the template for transcription?

Question 14 14. Which of the following terms encompasses all the cellular activities involved in building protein molecules?

Question 15 15. Which parts of a gene were originally thought of as 'junk DNA'?

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Question 16 16. In which step do the tRNA and mRNA first join up in the ribosome?

Question 17 17. Before an mRNA molecule is finished with RNA processing, what is it called?

Question 18 18. All of the following statements are true, EXCEPT:

Question 19 19. Which single nucleotide makes up the 5' cap?

Question 20 20. The lac operon codes for the enzyme that help digest the sugar _____.

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Question 21 21. Which of the following describes an increase in gene expression?

Question 22 22. Which of the following describes a group of related genes in a prokaryote's DNA?

Question 23 23. What is another term for a chain of amino acids?

Question 24 24. Where in the cell does transcription occur?

Question 25 25. What makes the lac repressor fall off the lac operator?

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Question 26 26. Which of the following is NOT a segment of DNA?

Question 27 27. While studying for an upcoming test, your friend Jane tells you that prokaryotic cells process their RNA in the nucleus. Is this a correct statement? Why or why not?

Question 28 28. In which step does the ribosome reach a stop codon and end the process of translation?

Question 29 29. What is the term for a distinct section of DNA that codes for one protein?

Question 30 30. What type of molecule is released during the formation of a peptide bond?

Praxis General Science: The Transcription & Translation Process 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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