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Arrangement of Pigments in Eukaryotes and Prokaryotes

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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?

Converting light energy to ATP directly Signup and view all the answers

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

Thylakloid membranes Signup and view all the answers

What is the role of antenna pigments in photosynthesis?

Surrounding reaction centers to funnel captured energy Signup and view all the answers

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

They have bacteriochlorophyll arranged in rod-like arrays Signup and view all the answers

Where is the reaction center located in light harvesting complexes?

Cytoplasmic membrane Signup and view all the answers

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

Attachment to proteins Signup and view all the answers

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

Chlorophyll d Signup and view all the answers

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

They capture light at low intensity Signup and view all the answers