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QUIZ ONLINE UJI NYALI 4 STRUKTUR DAN FUNGSI SEL MIKROORGANISME EUKARIOT

20 Questions
Quiz Online Uji Nyali 4 Struktur Dan Fungsi Sel Mikroorganisme Eukariot

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Questions and Answers
  • 1. 
    The mitochondria is the site of
    • A. 

      Protein synthesis

    • B. 

      Lipid synthesis

    • C. 

      Energy production

  • 2. 
    ______________  is the process in which the cell takes up solutes or particles by enclosing them in vesicles (endosomes) pinched off from the plasma membrane.
  • 3. 
    The diploid state of a microorganism refers to the times when cells contain _______ copy (ies) of each chromosome and occurs after mitotic cell division.
    • A. 

      One

    • B. 

      Two

    • C. 

      Three

  • 4. 
    The cytoplasmic matrix is best described as
    • A. 

      A dilute aqueous solution that fills most of the cell

    • B. 

      A solution of inorganic salts intended to balance osmotic pressure in the cell

    • C. 

      A semicrystalline mixture mostly of proteins and bound water molecules

    • D. 

      Material in transit between membrane bound organelles

  • 5. 
    Which of the following statements about Endoplasmic reticulum (ER) is not true?
    • A. 

      ER can transport proteins and lipids to the plasma membrane or for secretion

    • B. 

      ER is the main site for cell membrane biosynthesis

    • C. 

      ER is contiguous with the nuclear membrane

    • D. 

      ER is the main site for synthesis of cytoplasmic proteins

  • 6. 
    Lysosomes of the cell are where
    • A. 

      Lysozyme is synthesized

    • B. 

      Secretory proteins are transported to the surface

    • C. 

      Endocytosed material is degraded

    • D. 

      Glycogen is stored as an energy source

  • 7. 
    Mitochondria are similar to bacteria in several ways. Which of the following is NOT a similarity?
    • A. 

      Both have peptidyl glycan in their cell wall

    • B. 

      Both have circular, double stranded DNA

    • C. 

      Both are about the same size

    • D. 

      Both have 70S ribosomes

  • 8. 
    Plastids are
    • A. 

      Protrusions of plasma membrane that bud off of plant cells

    • B. 

      Cytoplasmic organelles that often contain photosynthetic pigments

    • C. 

      Pieces of circular, double stranded DNA that can carry drug resistance

    • D. 

      Areas of the nucleus where rRNA is transcribed

  • 9. 
    The nucleus of the cell is where
    • A. 

      Energy for cell division is generated

    • B. 

      Ribosomes translate mRNA into proteins

    • C. 

      Chromatin is kept within a membrane delimited body

    • D. 

      Endocytic vacuoles fuse with lysosomes

  • 10. 
    The nuclear pores are passageways between the nuclear matrix and the cytoplasm which
    • A. 

      Allow DNA to reach the cytoplasm to be translated to RNA

    • B. 

      Allow ribosomes to enter the nuclear matrix

    • C. 

      Allow proteins synthesized in the cytoplasm to enter the nucleus.

    • D. 

      Structurally reinforce the nuclear membrane

  • 11. 
    ___________are hollow cylinders (25 nm) that help maintain cell shape, are involved (with microfilaments) in cellular movement, participate in intracellular transport of substances, and participate in organelle movements; they also form the mitotic spindle during cell division and are present in cilia and flagella
    • A. 

      Microtubules

    • B. 

      Microfilaments

    • C. 

      Mitochondria

    • D. 

      The endoplasmic reticulum (ER)

    • E. 

      The Golgi Apparatus

  • 12. 
    ____________ are the site of tricarboxylic acid (TCA) cycle activity and the generation of ATP by electron transport and oxidative phosphorylation
    • A. 

      Microtubules

    • B. 

      Microfilaments

    • C. 

      Mitochondria

    • D. 

      The endoplasmic reticulum (ER)

    • E. 

      The Golgi Apparatus

  • 13. 
    ___________ are membrane-bound vesicles that contain enzymes needed for intracellular digestion of all types of macromolecules
    • A. 

      Microtubules

    • B. 

      Lysosomes

    • C. 

      The endoplasmic reticulum (ER)

    • D. 

      The stroma

    • E. 

      Cilia

  • 14. 
    _________ are locomotor structures that differ in length and how they propel the cell
    • A. 

      Microtubules

    • B. 

      Cilia

    • C. 

      Microtubules

    • D. 

      The stroma

    • E. 

      The endoplasmic reticulum (ER)

  • 15. 
    Proteasomes are a nonlysosomal protein degradation system that has been recently discovered in eucaryotic cells, a few bacteria, and many archaea.
    • A. 

      TRUE

    • B. 

      FALSE

  • 16. 
    Autophagic vacuoles are lysosomes that selectively digest portions of the cellĂ­s own cytoplasm as part of the normal turnover of cellular components
    • A. 

      TRUE

    • B. 

      FALSE

  • 17. 
    Endocytosis is the process in which the cell takes up solutes or particles by enclosing them in vesicles (endosomes) pinched off from the plasma membrane.
    • A. 

      TRUE

    • B. 

      FALSE

  • 18. 
    Phagocytosis is the process in which the cell takes up small amounts of liquid with its solute molecules
    • A. 

      TRUE

    • B. 

      FALSE

  • 19. 
    Pinocytosis is the process in which the cell takes up large particles by engulfing them into a phagocytic vacuole (phagosome)
    • A. 

      TRUE

    • B. 

      FALSE

  • 20. 
    The Golgi Apparatus is a set of membrane sacs (cisternae) that is involved in the modification, packaging, and secretion of materials; they exist in stacks called _________
    • A. 

      Endosomes

    • B. 

      Phagosome

    • C. 

      Proteasomes

    • D. 

      Lysosomes

    • E. 

      Dictyosomes