Eukaryotic cell ultrastructure

Eukaryotic cell ultrastructure Quiz

Spec 3.3–4 · Edexcel International A Level Biology: Quiz

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  1. 1. Which organelle assembles ribosomal subunits?

    • A. Golgi apparatus
    • B. Nucleolus
    • C. Lysosome
    • D. Smooth endoplasmic reticulum

  2. 2. What identifies a mitochondrion in an electron micrograph?

    • A. A stack of flattened sacs with vesicles at the edges
    • B. Flattened sacs covered in small dark dots
    • C. An oval shape with a double membrane and an inner membrane folded into cristae
    • D. A single-membrane sphere with dense contents

  3. 3. Which sequence shows the correct route of a secreted protein?

    • A. rER, transport vesicle, Golgi apparatus, secretory vesicle, cell surface membrane
    • B. Golgi apparatus, rER, secretory vesicle, lysosome, nucleus
    • C. Lysosome, Golgi apparatus, rER, cell surface membrane
    • D. Nucleolus, rER, mitochondrion, cell surface membrane

  4. 4. A cell lacks the enzymes normally found in lysosomes. Which function is most affected?

    • A. Synthesis of ATP
    • B. Production of rRNA
    • C. Formation of the spindle
    • D. Digestion of worn-out organelles

  5. 5. Which cell would have the most smooth endoplasmic reticulum?

    • A. A cell making only a protein hormone
    • B. A cell with no demand for lipid metabolism
    • C. A liver cell detoxifying alcohol
    • D. A cell that has just divided and is inactive

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