tRNA and Protein Synthesis Recap Lecture Quiz
29 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of tRNA in protein synthesis?

  • Form the primary structure of proteins
  • Facilitate the transport of mature mRNA
  • Serve as a template for DNA replication
  • Act as a messenger to carry information from DNA to make proteins (correct)
  • In the Central Dogma, what macromolecule is directly involved in protein synthesis?

  • DNA
  • Lipids
  • Carbohydrates
  • RNA (correct)
  • Which term describes an organism's hereditary information?

  • Ribosome function
  • Protein sequence
  • Phenotype
  • Genotype (correct)
  • What is the function of transcription in protein synthesis?

    <p>Conversion of DNA into RNA</p> Signup and view all the answers

    What role does translation play in the process of protein synthesis?

    <p>Converting mRNA into proteins</p> Signup and view all the answers

    How does RNA contribute to protein synthesis?

    <p>Carries information from DNA to make proteins</p> Signup and view all the answers

    How many exons code for the protein produced by the TATA-box binding protein gene?

    <p>8 exons</p> Signup and view all the answers

    What is the role of initiator tRNA in translation initiation?

    <p>Binds to the small ribosomal subunit before mRNA</p> Signup and view all the answers

    What is the total number of base pairs that the gene for TATA-box binding protein spans on chromosome 6?

    <p>18,000 bp</p> Signup and view all the answers

    During translation elongation, what is the role of GTP?

    <p>Increases accuracy and efficiency in codon recognition</p> Signup and view all the answers

    How many amino acids are present in the protein encoded by the Huntingtin gene?

    <p>3144 amino acids</p> Signup and view all the answers

    In translation termination, what happens when the mRNA stop codon is in the A site?

    <p>It is bound by a release factor</p> Signup and view all the answers

    What is the approximate length of the mature mRNA transcript produced by the TATA-box binding protein gene?

    <p>~1800 nt</p> Signup and view all the answers

    What is the purpose of aminoacyl-tRNA synthetases in translation elongation?

    <p>Reload empty tRNAs in the cytoplasm</p> Signup and view all the answers

    Which chromosome houses the gene for Huntingtin?

    <p>Chromosome 4</p> Signup and view all the answers

    Why is energy required during translation elongation?

    <p>To move tRNAs from A to P site</p> Signup and view all the answers

    In translation, what role does the P site within the ribosome play?

    <p>Holds the tRNA carrying the growing polypeptide</p> Signup and view all the answers

    What is the function of gene regulatory proteins according to the text?

    <p>Block translation process</p> Signup and view all the answers

    What process involves ubiquitination for proteasome degradation?

    <p>Protein degradation</p> Signup and view all the answers

    What was the purpose of the 2:41m video link provided in the text?

    <p>To demonstrate protein synthesis overview</p> Signup and view all the answers

    Which video link was recommended to students for more information on 5’ – 3’ and N and C terminus?

    <p><a href="https://www.youtube.com/watch?v=Rn9zldxtZko">https://www.youtube.com/watch?v=Rn9zldxtZko</a></p> Signup and view all the answers

    What content can be found on page 70 that students were asked to complete as part of their revision?

    <p>Lecture slides with images of cell division</p> Signup and view all the answers

    What was the purpose of the mitosis video recommended to be watched before the next lecture?

    <p>To explain cell division stages</p> Signup and view all the answers

    How are proteins destined to function in the cytosol translated?

    <p>On free ribosomes</p> Signup and view all the answers

    What directs ribosomes to the rough endoplasmic reticulum (RER)?

    <p>SRP: Signal Recognition Particle</p> Signup and view all the answers

    Which step involves solubilizing a secretory protein in the lumen during translation?

    <p>Step 6</p> Signup and view all the answers

    Where do some post-translational modifications occur for proteins?

    <p>Cytosol</p> Signup and view all the answers

    Which modification involves the addition of a phosphate group to a protein?

    <p>Phosphorylation</p> Signup and view all the answers

    What is the role of signal peptides in protein translation?

    <p>Direct ribosomes to the RER</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser