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Difference between thylakoids and lamellae in a chloroplast?

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Vanshika Bhatt

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( 6 months ago )

I'm slightly confused as to the difference between thylakoids and lamellae. My understanding was that thylakoids are 'discs' that are stacked into grana and there is a membrane between the grana called the integranal lamellae. However in my text book it says that 'the inner membrane is folded into lamellae, which are stacked up like piles of pennies. Each stack of lamallae is called a granum.' This sounds to me like the description of thylakoids. It later says 'grana are stacks of flattened membrane compartments, called thylakoids'...

Could someone clarify this?

Thank you in advance :)

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