NAME:____________________ PERIOD:_____ 1 Protein Synthesis & Meiosis Computer Lab Review Go to the web sites and answer the questions IN ORDER. They are posted on Edmodo in the exact same sequence. http://www.musee-afrappier.qc.ca/en/index.php?gameid=9 Directions: Read the introduction. Place the structure in the correct place in the cell. Answer the questions and play the game. Read green arrow validations! 1. To those who can decode me, I deliver the secrets of life itself: Name: ______________________________ Location: ___________________________ 2. In proper order we can pass along a message: Name: ______________________________ Location: ___________________________ 3. I decode DNA and produce mRNA: Name: ______________________________ Location: ___________________________ 4. List and pair 4 nitrogenous bases of DNA: _____________________________________________________________________ 5. List and pair 4 Nitrogenous bases of RNA: _____________________________________________________________________ 6. Under a microscope I look like a tiny dot, but don’t underestimate my functions! I am the site of protein synthesis. Name: ______________________________ Location: ___________________________ 7. Cousins of mRNA, we can recognize it and pair with it. Name: ______________________________ Location: ___________________________ 8. List the amino acids in sequence. (Click genetic code tab to use an amino acid chart). ________________________________________________ 9. What protein was created? _______________________________________ http://www.pbslearningmedia.org/asset/lsps07_int_celltrans/ Directions: Click on Overview. Blue page arrows at bottom of screen. 1. What is the master code used to create proteins? ____________________ 2. How is DNA stored in the cell? _______________________________________ 3. Why is it necessary to create a “messenger” strand of mRNA? _____________________________________________________________________ 4. What is the result of transcription? ___________________________________ 5. Where does the process of transcription take place in the cell? _____________________________________________________________________ 6. What is the result of translation? _____________________________________ 7. Where does translation take place in the cell? ________________________ Use the Transcription and Translation tabs for these questions 1. What is the name of the nitrogenous bases on the strand of mRNA? _____________________________________________________________________ 2. What organelle reads the mRNA strand? _____________________________ 3. What is another name for this organelle? _____________________________ 4. How many nucleotides are read at a time? ___________________________ 5. What is the name of this set of nucleotides? __________________________ 6. What dictates which amino acid is carried to the ribosome? ___________ 7. Draw and label the simple tRNA structure shown. Do so anywhere on this paper. 8. How many amino acids are there? ___________________________________ 9. Do they all only match one codon? Explain. ___________________________ 10. What happens to the tRNA once the peptide bond is formed? _____________________________________________________________________ 11. Translation will continue until what happens? _____________________ Meosis with Snurfles Review http://biomanbio.com/ Click “Genetics & Meiosis” left side Click “Snurffle Meiosis and Genetics” Read Intro and Click “Meiosis Interactive” Follow the directions and answer the questions below. 1. Uncoiled stringy DNA is called ____________________________________ 2. Human cells have _________ pieces of chromatin 3. Half of your DNA comes from your __________________ and half from your __________________________. 4. DNA has ________________ that determines traits of an organism. 5. Different forms of a gene are called _______________________. 6. What are the 2 alleles for fur color in Snurffles and which letters represent those alleles? _____________________________________________ 7. ___________________ is when DNA copies itself and occurs during ___________________________ 8. _____________ are made during Meiosis. Male: ________Female: _____ 9. List phases of Meiosis I ___________________________________________ 10. List phases of Meiosis II __________________________________________ 11. During prophase I the chromosomes _______________ and become _____________________________________________________________________ 12. What are homologous chromosomes? _____________________________________________________________________ 13. Each half of a replicated chromosome is called a __________________ ________________________ and they are __________________ to eachother. 14. The nucleus __________________________ during prophase I. NAME:____________________ PERIOD:_____ 3 15. During Prophase I ___________________________ pair up during pair up during to form a _________________________________________________. 16. During Metaphase I the tetrads ___________________________________ 17. During Anaphase I the homologous chromosomes ________________ _____________________________________________________________________ 18. _____________ independent cells begin to form during ______________ 19. _____________is the division of the cytoplasm to make two new cells. 20. The two new cells that are formed during Meiosis I are ____________ because ____________________________________________________________ 21. At the start of Meiosis I you had 1 ______________________cell. 22. Meiosis II must take place because each of the new cells still has too much ______________________________________ 23. Draw the chromosomes in Meiosis I. Label the cells as haploid (1n) or diploid (2n) 24. The nucleus __________________________________ during prophase II. 25. In Metaphase II the ____________________ line up single file down the ________________________ of the cell. 26. In __________________the ________________ _________________split up. 32. In ______________________, _______________ _______________daughter cells are being formed. They are called _____________________________ . 33. Each newly formed cell will form a_____________________ around the chromosomes. 34. The chromosomes ________________to form ______________________. 35. __________________________occurs at the same time at Telophase II. 36. At the end of Meiosis II you have made ___________ _____________________________gametes (sex cells). 37. Draw and label (haploid or diploid) the Meiosis summary.