Protein Synthesis Activity

University:
University of North Texas
Course:
BIOL 1700 | Biology
Academic year:

2023
Views:

0

Pages:

2
Author:

Memer Godboi

Directions: Draw the process of Protein Synthesis. Include color, and label everything as stated in the procedure. Figure out the correct enzyme that the DNA is directing the ribosome to make. Procedure: 1. Draw a large eukaryotic cell on separate paper, and include the structures involved in protein synthesis. (Include the nucleus, nuclear pores, free-floating ribosomes, the rough ER, cell membrane, nuclear membrane, nucleolus, and cytoplasm) 2. Label each of these structures on your drawing. Draw the following DNA molecule in the nucleus. (Use Blue Color in this section) TACGGTGCAGAT (Left side of DNA) ATGCCACGTCTA (Right side of DNA) 3. Draw the same DNA molecule in the nucleus showing it "unzipped." Label one of the triplets. 4. Using the TACGGTGCAGAT side of the DNA molecule as a template, create a mRNA (messenger RNA) molecule via transcription. (Use Red Color in this section) Label the mRNA molecule. Label one of the codons. 5. On your drawing, somehow show that the mRNA leaves the nucleus through the nuclear pores, and goes out through the cytoplasm to land on a ribosome. Label the mRNA molecule, and the ribosome. 6. Using the mRNA message, translate the message using free-floating tRNA (transfer RNA) molecules. Label the tRNA molecule. Label one of the anticodons. (Use Green Color in this section) 7. Place the correct amino acid name on each tRNA molecule using the DNA Code Box found in your notes. (Remember the code box shows codons) (Use Orange Color in this section) 8. Draw in a peptide bond between the amino acids that you lined up in translation. Label the peptide bonds. (Use Black Color in this section) 9. Show on your drawing that the chain of amino acids becomes a protein, and breaks away from the ribosomes to become an enzyme. (Label protein and enzyme) Also indicate that the tRNA molecules break away to be reused. (Use Yellow Color in this section) 10. Add the words transcription and translation on your drawing in the appropriate places. Title your group drawing: "Protein Synthesis - Gene Expression." (Use Brown Color in this section) 11. Write the name of the enzyme produced and the trait or process it controls on the paper. (Use Purple Box) Check the back of this page to see a listing of the enzymes and their polypeptide chains. ***Have Coach Thomas check your UPA to see if you constructed the correct enzyme!*** Grading: Grades for the activity will be based on the following: 1) Completeness (include all the structures referred to in the procedure) 2) Label all the structures as directed in the procedure. 3) Incorporate the correct colors into your drawing. 4) Complete the activity Enzyme (Amino Acid Sequences) Trait/Process | Enzyme Name | Amino Acid Sequence |---|---|---| Heartbeat | Cardioase | Methionine - Proline - Arginine - Leucine Respiration | ATP Synthase | Methionine - Leucine - Tyrosine - Histidine Digestion | Gastric Synthase | Methionine - Glycine - Threonine - Alanine Muscle Contraction | Myosynthase | Methionine - Phenylalanine - Serine - Proline Excretion | Urinase | Methionine - Lysine - Isoleucine - Valine Eye Color | Irisynthase | Methionine - Glutamine - Glutamic Acid - Lysine Hair Color | Grecianase | Methionine - Aspartic Acid - Glycine - Cysteine Bone Structure | Osteoase | Methionine - Serine - Asparagine - Tryptophan

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