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  • Question
  • Mitochondria can be expected most numerous in


  • Options
  • A. green cells
  • B. red blood cells
  • C. muscle cells
  • D. none of these

  • Correct Answer
  • muscle cells 


  • Plant Structure problems


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    • 1. Which cell type is likely to have the most mitochondria?

    • Options
    • A. Fast-twitch muscle
    • B. Slow-twitch muscle
    • C. Liver cells
    • D. Adipose cells
    • Discuss
    • 2. The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that

    • Options
    • A. the mitochondrial matrix is hypotonic to the cellular cytoplasm
    • B. the mitochondrial matrix is hypertonic to the cellular cytoplasm
    • C. mitochondria were derived from a symbiotic bacterium
    • D. mitochondria are surrounded by a semi permeable membrane
    • Discuss
    • 3. A cell without cell wall is called

    • Options
    • A. apoplast
    • B. protoplast
    • C. symplast
    • D. none of these
    • Discuss
    • 4. Specialized type of peroxisome and the site of glyoxylate pathway in certain plants is known as

    • Options
    • A. gly-peroxisome
    • B. lysosome
    • C. glyoxysome
    • D. none of these
    • Discuss
    • 5. Which of the following is not an electron carrier class in the electron transport chain?

    • Options
    • A. Flavoproteins
    • B. Cytochromes
    • C. Iron - sulfur proteins
    • D. Cytochrome c oxidase
    • Discuss
    • 6. Why do some redox reactions in cells result in the transfer of electrons from a reductant with a higher standard redox potential to an oxidant with a lower standard redox potential?

    • Options
    • A. Redox potentials are defined under standard conditions, and cellular conditions are typically not standard conditions
    • B. The rules governing oxidation and reduction apply only in vitro, and not in vivo
    • C. Electrons always go from reductants with high redox potentials to oxidants with low redox potentials
    • D. None of the above
    • Discuss
    • 7. The composition of the inner mitochondrial membrane is most like that of

    • Options
    • A. the outer mitochondrial membrane
    • B. the cell's plasma membrane
    • C. some bacterial plasma membranes
    • D. the nuclear membrane
    • Discuss
    • 8. Which of the following functional groups would make a carbon-based compound the least polar?

    • Options
    • A. Phosphate
    • B. Methyl
    • C. Carboxyl
    • D. Amino
    • Discuss
    • 9. Tonoplast is a membrane around

    • Options
    • A. cytoplasm
    • B. vacuole
    • C. nucleus
    • D. mitochondria
    • Discuss
    • 10. Chemical energy is supplied to eukaryotic cells by

    • Options
    • A. chloroplasts and golgi complexes
    • B. mitochondria and ribosomes
    • C. mitochondria only
    • D. mitochondria and chloroplasts
    • Discuss


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