DNA
Would production of the mRNA be affected?
3 processing events happen in prokaryotes or eukaryotes?
Size of gene (DNA)
Size of RNA transcript
The RNA transcript, the mRNA, composed of the introns or exons? Describe how the original RNA transcript is processed to end up being smaller than the gene. Note: focus on the size difference in the image, not the colors of the shading.
12. Describe the genetic code. What is a codon? What connects a codon to an amino acid? Explain and give examples of the redundancy and specificity of the genetic code.
13. Sketch a tRNA: identify, explain the function of the anticodon and amino acid attachment site, and describe how the tRNA interacts with the mRNA.
14. Describe the three steps involved in translation initiation, elongation, termination highlighting major events in each step. Include which sites, the A, P, and E, of the ribosome are participating in each step, and what is happening in each.
15. How do proteins end up in the ER endoplasmic reticulum? What sends a ribosome to the surface of the ER? Where do proteins end up when they are produced at the ER? Where do proteins end up that are produced in the cytoplasm?
16. What are differences in gene expression between prokaryotes and eukaryotes?
17. Researchers found E. coli that had DNA mutation rates 100 times higher than normal. A malfunction of what enzyme might be responsible?