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anonymous

  • one year ago

To study the details of protein molecules on the surface of a cell, a biologist would likely use a: A. scanning electron microscope B. transmission electron microscope

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  1. anonymous
    • one year ago
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    TEM: Transmission electron microscopes pass a beam of electrons through a thin specimen similar to how a compound light microscope transmits light. Scientists can apply stain to the specimen to increase contrast in the image. Transmission electron microscopes are mainly used for studying the internal structures of cells that cannot be viewed under light microscopes. Notice that the magnified images of the specimen are produced in black and white. Scientists can use computers to add artificial color to enhance visibility when needed. SEM: Scanning electron microscopes are useful for studying the details of a specimen’s surface. The electron beam scans the specimen’s surface, which is coated with a thin layer of gold metal. The electrons that scatter off of the gold-coated surface are focused onto a screen, forming a detailed image of the specimen surface. The image is three-dimensional and black and white.

  2. anonymous
    • one year ago
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    I think I would have to go with A... I have done this b4. But not sure. But A soundz otey.

  3. anonymous
    • one year ago
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    I am aware that SEM may be the best way to go but they're talking about proteins on the surface of a cell & this Q has been asked before on OpenStudy. It's really 50/50.

  4. anonymous
    • one year ago
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    @iloveyouboo

  5. petiteme
    • one year ago
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    I'd say TEM :)

  6. anonymous
    • one year ago
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    Are you in k12?

  7. anonymous
    • one year ago
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    What is your reasoning behind your answer? And no @biznessman

  8. anonymous
    • one year ago
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    Okay, nvm.

  9. anonymous
    • one year ago
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    So none of us are capable at figuring this out?

  10. anonymous
    • one year ago
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    imma go with a as well

  11. anonymous
    • one year ago
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    So I have two people with A and 1 person with B. I'm personally opting for B, too.

  12. anonymous
    • one year ago
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    Im almost positive its A

  13. anonymous
    • one year ago
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    I don't know what to do.. I'm very split between SEM & TEM

  14. anonymous
    • one year ago
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    Ok, Im positive its A.

  15. anonymous
    • one year ago
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    How so?

  16. anonymous
    • one year ago
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    My sister had this question. She just said it was A

  17. anonymous
    • one year ago
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    I understand your explanation but can I have a screenshot? (I, as a stranger, don't know the legitimacy of the answer)

  18. anonymous
    • one year ago
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    ......, i cant log into her question from last year. But she's a whiz in Biology, and I promise its A. I promise

  19. anonymous
    • one year ago
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    Okay. I will put trust into your answer and will let you know my results in a few mins :)

  20. anonymous
    • one year ago
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    ok :)

  21. anonymous
    • one year ago
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    Wait A in SEM right?

  22. anonymous
    • one year ago
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    is*

  23. anonymous
    • one year ago
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    Yes @xPastelx

  24. anonymous
    • one year ago
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    ok, good :)

  25. anonymous
    • one year ago
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    Was it right? @Aureyliant

  26. anonymous
    • one year ago
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    Yes, it was. Thank you so much. I'll try my best with helping you out on the math thread, too. Sorry for the delay. @xPastelx

  27. anonymous
    • one year ago
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    Its ok. I'm happy I could help! Thanks! @Aureyliant

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