1 / 19

Understanding Molecular Biology: Processes of Translation and Transcription in Cells

This resource provides an in-depth exploration of the molecular processes of translation and transcription, essential mechanisms of gene expression in eukaryotic cells. Key questions guide learners through the differences between these two processes, the programming of proteins, and the roles of various components such as RNA, DNA, and ribosomes. Concepts such as promoter regions, transcription factors, intron excision, and the significance of aminoacyl-tRNA synthetase are highlighted, promoting a comprehensive understanding of how proteins are synthesized within cells.

viveka
Télécharger la présentation

Understanding Molecular Biology: Processes of Translation and Transcription in Cells

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. AP Biology Figure Assessement

  2. D. A. E. F. B. LE 17-3 _________________ cell G H. C. TRANSLATION I. ________________ cell

  3. Answer the following What is the difference between the two processes in the previous slide? Which cell do you think produces proteins at a faster rate? Provide a rationale for your answer.

  4. Transcription unit A. LE 17-7a-1 5¢ 3¢ 3¢ 5¢ DNA B. C.

  5. Answer the following • What step in transcription does the previous diagram illustrate? Explain this step. • Which strand of the DNA will be used for transcription? Why?

  6. Eukaryotic promoters Promoter 5¢ 3¢ 3¢ 5¢ A. Start point B. LE 17-8 5¢ 3¢ 3¢ 5¢ Additional transcription factors 5¢ 3¢ 5¢ 3¢ 5¢ RNA transcript C.

  7. LE 17-9 Protein-coding segment 5¢ B. codon D. codon 3¢ UTR A. UTR 5¢ C.

  8. RNA transcript (pre-mRNA) 5¢ Exon 1 Intron Exon 2 Protein Other proteins snRNA A. LE 17-11 B. 5¢ Cut-out intron mRNA 5¢ Exon 1 Exon 2

  9. Answer the following • What is the significance of the process of the previous slide? • Would you consider the excised material to be junk? Why or why not?

  10. Amino acid Aminoacyl-tRNA synthetase (enzyme) LE 17-15 Pyrophosphate Phosphates tRNA AMP Aminoacyl tRNA (an “activated amino acid”)

  11. Answer the following • View the previous slide. What type of molecule is the aminoacylsynthetase? What would be the result if this molecule were faulty?

  12. A. LE 17-16b B. C. D. mRNA binding site E. Schematic model showing binding sites

  13. Answer the following • Explain the function of the following from the previous slide. Be sure to include your label as well: • A. • C. • D.

  14. Large ribosomal subunit LE 17-17 P site Met Met Initiator tRNA GTP GDP A E mRNA 5¢ 5¢ 3¢ 3¢ Start codon Small ribosomal subunit mRNA binding site

  15. Answer the following Identify and explain the process in the previous slide.

  16. Amino end of polypeptide E 3¢ mRNA P site A site Ribosome ready for next aminoacyl tRNA 5¢ GTP LE 17-18 2 2 GDP E E P A P A GDP GTP E P A

  17. Answer the following • Identify and explain the process in the previous slide.

  18. LE 17-19 Free polypeptide A. 5¢ 3¢ 3¢ 3¢ 5¢ 5¢ Stop codon (UAG, UAA, or UGA)

  19. Answer the following • Identify and explain the process in the previous slide.

More Related