Transcription & RNA Processing — DNA Replication, Repair & Gene Expression

Transcription & RNA Processing MCQs: practice questions

Sample Transcription & RNA Processing multiple-choice questions from DNA Replication, Repair & Gene Expression.

1. When analyzing a molecular-biology experiment, case 47: which option best identifies the component or process responsible for the described function?

   • A. RNA polymerase
   • B. transcription
   • C. helicase
   • D. ribosome
   • E. DNA ligase

2. In a normal eukaryotic cell, case 48: which option best identifies the component or process responsible for the described function?

   • A. transcription
   • B. lipid bilayer
   • C. ribosomal subunit
   • D. template DNA strand
   • E. protein strand

3. In a study of gene expression, case 51: which option best identifies the component or process responsible for the described function?

   • A. tRNA
   • B. transcription
   • C. DNA
   • D. mRNA
   • E. rRNA

4. During examination of genetic material, case 49: which option best identifies the component or process responsible for the described function?

   • A. mRNA
   • B. DNA
   • C. transcription
   • D. rRNA
   • E. tRNA

5. In a clinical genetics discussion, case 60: which option best identifies the component or process responsible for the described function?

   • A. chromosome
   • B. unprocessed protein
   • C. transcription
   • D. mature mRNA
   • E. primary DNA

6. Which cellular or molecular component/process is a DNA region associated with initiation of transcription?

7. When assessing a DNA-related cellular defect, case 53: which option best identifies the component or process responsible for the described function?

8. During analysis of chromosome organization, case 52: which option best identifies the component or process responsible for the described function?

9. Which cellular or molecular component/process is a gene segment retained in mature mRNA and ultimately expressed?

10. Which cellular or molecular component/process is an altered guanine nucleotide added to one end of mRNA during processing?

11. Which cellular or molecular component/process copies information from a DNA gene into an RNA molecule?

12. Which cellular or molecular component/process contains sequences corresponding to both exons and introns before processing?

13. During examination of a dividing cell, case 58: which option best identifies the component or process responsible for the described function?

14. Which cellular or molecular component/process removes introns and joins exons during mRNA processing?

15. Which cellular or molecular component/process carries genetic information from DNA to ribosomes?

16. Which cellular or molecular component/process is processed and then leaves the nucleus for translation?

17. When comparing nucleic-acid processes, case 56: which option best identifies the component or process responsible for the described function?

18. Which cellular or molecular component/process is a stretch of multiple adenosine nucleotides added to the other end of mRNA?

19. In a protein-synthesis experiment, case 54: which option best identifies the component or process responsible for the described function?

20. Which cellular or molecular component/process allows different combinations of exons to contribute to different mature transcripts?

21. During a laboratory study of human cells, case 46: which option best identifies the component or process responsible for the described function?

22. In a study of cellular inheritance, case 57: which option best identifies the component or process responsible for the described function?

23. Which cellular or molecular component/process joins with proteins to form ribosomal subunits?

24. When interpreting a cell-biology result, case 50: which option best identifies the component or process responsible for the described function?

25. Which cellular or molecular component/process provides the sequence used to build complementary mRNA?

26. When evaluating a gene-expression pathway, case 59: which option best identifies the component or process responsible for the described function?

27. During investigation of RNA production, case 55: which option best identifies the component or process responsible for the described function?

28. Which cellular or molecular component/process transfers amino acids to ribosomes during translation?

29. Which cellular or molecular component/process is a gene segment removed from the primary mRNA during processing?

30. Which cellular or molecular component/process opens DNA and joins RNA nucleotides during transcription?