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    • #15755
      monkeymadd
      Participant

      Its a transmission electron micrograph of something in a chloroplast but i can’t figure out what it is. Help 🙁


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    • #108475
      JackBean
      Participant

      what about size? How do you know it’s from chloroplast? It’s obviously not inside, so how did you obtain the picture?

    • #108482
      monkeymadd
      Participant

      Top pic Scale bar = 500 nanometers
      botttom pic scale bar = 100 nanometers

      I know it is a chloroplast because we isolated the chloroplasts from spinach leaves.

      The top pic is the whole mount of a chloroplast taken using the TEM. Dark circular structures can be seen within the chloroplast. bottom pic shows one of these structures from sideways on at higher magnification.
      but i don’t know what these structures are called.

    • #108485
      monkeymadd
      Participant

      Are they grana?

    • #108503
      JackBean
      Participant

      so the whole bunch should be one chloroplast? Seems little bit hydrolysed, isn’t it?

    • #108509
      monkeymadd
      Participant

      yea the top pic is supposed to be a chloroplast.
      but I have no idea if it is hydrolysed.

    • #108519
      JackBean
      Participant

      that doesn’t seem like spherical to me

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