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Trying to picture thylakoid membrane

Discussion in 'DAT Discussions' started by skyisblue, Apr 19, 2007.

  1. skyisblue

    skyisblue 2+ Year Member

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    Dec 25, 2006
    Does this make sense?

    So the thylakoid membrane is where the chlorophyll and accessory pigment molecules are...

    So these pigment molecules (chlorphyll and accessory) are in clusters of about 250 or so molecules called antenna complexes, which absorb radiant energy until it reaches a reaction center made of many chlorophyll a molecules that absorb light best at 680nm or 700nm depending on the proteins they are associated with.

    These antenna complexes plus the reaction center makes up a photosystem.
     
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  3. BodybldgDoc

    BodybldgDoc Guest

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    Jan 13, 2007
    In your closet
    Yes. Just wanted to add that within the thylakoids are the light absorbing pigments and enzymes for the light dependent reactions. In the surrounding stroma which is fluid filled are the enzymes for the calvin benson cycle or light independent reactions.
     
  4. skyisblue

    skyisblue 2+ Year Member

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    Dec 25, 2006
    Within the thylakoids or the thylakoid membranes??
     
  5. BodybldgDoc

    BodybldgDoc Guest

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    Jan 13, 2007
    In your closet
    the thylakoids are individual membranes that make up the stack of granum. you can call them thylakoids or thylakoid membranes; it really means one and the same thing. I prefer to call them "pancakes" because they are pan cake shaped and helps me remember it better.:D
     
  6. skyisblue

    skyisblue 2+ Year Member

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    Dec 25, 2006
    Hi Body, I know, but i'm thinking that there's the thylakoid lumen too...

    btw, i've been working out a lot in addition to studying for this test.
     
  7. BodybldgDoc

    BodybldgDoc Guest

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    Jan 13, 2007
    In your closet
    not lumen, within the membrane.
    I havent been working out :( because I havent had the time but once this is over I'm hitting it hard. I need my endorphin fix.;)
     
  8. skyisblue

    skyisblue 2+ Year Member

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    Dec 25, 2006
    Thanks Body. I need my endorphin fix too, but I have to stay away from the cardio workouts now. It makes me lose weight so I'm doing weights only. If you know what you're doing, you can cut down on workout time.

    Going back to figuring out photosynthesis....
     
  9. BodybldgDoc

    BodybldgDoc Guest

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    Jan 13, 2007
    In your closet
    your welcome sky. :) Photosynthesis/study of plants in general puts me to :sleep: good luck.
    ooo scrubs is on, I'm out :thumbup:
     
  10. scottyJ

    scottyJ 2+ Year Member

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    Mar 3, 2007
    Hey, know that photosystem II (H2O splitters) is on the outer membranes of the thylakoids facing the stroma (not the stoma) and that Photosystem I is on the inner. And know what Cartinoids do (accesory pigments). Also know what Rubisco is.
     

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