Arrangement of Pigments in Eukaryotes and Prokaryotes
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Questions and Answers

Where are chlorophyll a pigments found in eukaryotes?

  • Attached to proteins integrated into the cell membrane
  • In the cytoplasmic membrane itself
  • Surrounding the reaction centers
  • In intracellular organelles called chloroplasts (correct)

In prokaryotes, which of the following is a way photosynthetic pigments are attached to proteins integrated into the cell membrane?

  • Attachment to the cytoplasmic membrane itself
  • Integration into thylakoid membranes
  • Invagination of the cytoplasmic membrane (correct)
  • Intracellular attachment to specialized structures known as chlorosomes

What specialized structure is involved in photosynthetic pigment attachment in green bacteria?

  • Chloroplasts
  • Chlorosomes (correct)
  • Cytoplasmic membrane
  • Thylakoid membranes

What is the function of reaction centers in photosynthesis?

<p>Converting light energy to ATP directly (C)</p> Signup and view all the answers

Which region within chloroplasts allows for the generation of ATP via light-driven proton motive force?

<p>Thylakloid membranes (C)</p> Signup and view all the answers

What is the role of antenna pigments in photosynthesis?

<p>Surrounding reaction centers to funnel captured energy (A)</p> Signup and view all the answers

What is the unique feature of chlorosomes in green sulfur/non-sulfur bacteria?

<p>They have bacteriochlorophyll arranged in rod-like arrays (A)</p> Signup and view all the answers

Where is the reaction center located in light harvesting complexes?

<p>Cytoplasmic membrane (B)</p> Signup and view all the answers

What distinguishes the antenna systems of chlorosomes from those of other phototrophs?

<p>Attachment to proteins (A)</p> Signup and view all the answers

Which pigment is responsible for funneling light energy to the reaction center in light harvesting complexes?

<p>Chlorophyll d (D)</p> Signup and view all the answers

How do chlorosomes differ from other pigment structures in photosynthetic organisms?

<p>They capture light at low intensity (C)</p> Signup and view all the answers

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