Photosynthesis: Site of the LDR Flashcards

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1
Q

where does the LDR take place?

A

thylakoids of the chloroplasts

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2
Q

what are thylakoids?

A

disc-like structures

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3
Q

what is grana?

A

thylakoids that are stacked together in groups

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4
Q

why do thylakoid membranes have a large surface area?

A

for the attachment of chlorophyll, electron carriers and enzymes that carry out the LDR

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5
Q

what do the grana membranes have in them which catalyse the production of ATP?

A

ATP synthase channels

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6
Q

what does the grana membrane being selectively permeable allow?

A

the creation of a proton (H⁺) gradient

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7
Q

what 2 structures does the chloroplast contain that allows the quick and efficient manufacture of some proteins involved in the LDR?

A
  1. DNA

2. ribosomes

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