Cellular Processes and Membrane Transport Quiz
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Cellular Processes and Membrane Transport Quiz

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@HarmoniousCalcite

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Questions and Answers

Which type of signalling involves signalling molecules acting on the same cell?

  • Autocrine signalling (correct)
  • Endocrine signalling
  • Paracrine signalling
  • Intracrine signalling
  • Which type of signalling involves long-range signalling?

  • Autocrine signalling
  • Endocrine signalling (correct)
  • Intracrine signalling
  • Paracrine signalling
  • Which organelle releases calcium ions crucial for various signalling pathways?

  • Endoplasmic reticulum (ER) (correct)
  • Nucleus
  • Mitochondria
  • Lysosome
  • Which of the following is a benefit of using Nomarski (DIC) optics in microscopy?

    <p>It enables visualization of 3D structures.</p> Signup and view all the answers

    What is the main difference between prokaryotes and eukaryotes?

    <p>Prokaryotes have membrane-bound organelles, while eukaryotes do not.</p> Signup and view all the answers

    Which of the following is NOT a feature found in eukaryotic cells?

    <p>A rigid cell wall</p> Signup and view all the answers

    Which of the following statements is incorrect about the Golgi Apparatus?

    <p>It disassembles during cell division</p> Signup and view all the answers

    Which of the following statements is most correct about mitochondria?

    <p>Mitochondria are able to synthesize proteins for themselves</p> Signup and view all the answers

    Protein folding in the rough endoplasmic reticulum is assisted by

    <p>The formation of disulphide bonds</p> Signup and view all the answers

    Which of the following is incorrect about lysosomes?

    <p>The pH of lysosomes is essential for efficient protein degradation</p> Signup and view all the answers

    Which of the following is true about untranslated regions (UTRs)?

    <p>Genes have both 5' and 3' UTRs.</p> Signup and view all the answers

    Which components are necessary for efficient translation to occur?

    <p>tRNA, ribosomes, amino acids, mRNA</p> Signup and view all the answers

    What is the correct order of an mRNA structure?

    <p>5'Cap - 5'UTR - ORF - 3'UTR - PolyA</p> Signup and view all the answers

    Which of the following is true about DNA and RNA base pairing?

    <p>DNA can base pair with both DNA and RNA.</p> Signup and view all the answers

    Which of the following is true about the structure of DNA?

    <p>The double helix structure is determined by the order of the bases.</p> Signup and view all the answers

    Which of the following is true about the role of the endocytic pathway in protein trafficking?

    <p>Delivers extracellular proteins into the cell for degradation or recycling.</p> Signup and view all the answers

    Which of the following is true about the role of the SNARE complex in protein trafficking?

    <p>Promotes vesicle fusion during protein trafficking.</p> Signup and view all the answers

    Which of the following is true about the process of transcription and splicing?

    <p>Polyadenylation of the mRNA stabilizes it.</p> Signup and view all the answers

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