Recent

  • Show all results for ""
COPY: Quiz 15
10 Questions
0 Views

COPY: Quiz 15

Created by
@SatisfiedDaisy

Questions and Answers

Which of the endocytic pathways involves the ingestion of large particles or microorganisms and is performed mainly by specialized cells?

  • phagocytosis (correct)
  • pinocytosis
  • exocytosis
  • receptor-mediated endocytosis

    • Nuclear pores restrict larger molecules from traversing the membrane due to their

  • interwoven meshwork of protein fibrils. (correct)
  • very small pore size.
  • hydrophobic interior.
  • double membrane.

    • Which of the following is a covalent modification that occurs mainly in the ER?

  • formation of disulfide bonds (correct)
  • addition of phosphate groups
  • maturation of oligosaccharide chains
  • methylation of side chains

    • Fully folded proteins can be transported into which of the following organelles?

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

    Lysosomes contain ____________ enzymes that can break down diverse macromolecules, cell parts, and microorganisms.

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

    How do clathrin-coated vesicles select their cargo molecules?

    <p>Cargo receptors bind specifically to cargo proteins and to clathrin.</p> Signup and view all the answers

    Which of the following organelles is the site of steroid hormone synthesis in endocrine cells?

    <p>smooth endoplasmic reticulum</p> Signup and view all the answers

    How are misfolded proteins and incompletely assembled proteins retained in the ER?

    <p>Chaperone proteins bind them and prevent their entry into vesicles.</p> Signup and view all the answers

    Proteins encoded by nuclear genes and destined for the mitochondrial matrix are

    <p>in possession of a signal sequence for targeting to the mitochondria.</p> Signup and view all the answers

    In which process do Rab proteins function?

    <p>cargo protein delivery</p> Signup and view all the answers

    More Quizzes Like This

    Phagocytosis Process
    5 questions

    Phagocytosis Process

    SurrealSalamander avatar
    SurrealSalamander
    Phagocytosis and Thrombocytes Lecture
    18 questions

    Phagocytosis and Thrombocytes Lecture

    FlawlessElbaite avatar
    FlawlessElbaite
    Phagocytosis Process: Cellular Defense
    55 questions

    Phagocytosis Process: Cellular Defense

    TrendyAcademicArt avatar
    TrendyAcademicArt
    5 Steps of Phagocytosis Flashcards
    6 questions

    5 Steps of Phagocytosis Flashcards

    GrandDwarf5939 avatar
    GrandDwarf5939
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser