| 21. | Euglenophyte chloroplasts have a pyrenoid and thylakoids stacked in groups of three.
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| 22. | Cryptophyte chloroplasts contain a nucleomorph that superficially resembles that of the chlorarachniophytes.
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| 23. | Inside cryptophyte chloroplasts is a pyrenoid and thylakoids in stacks of two.
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| 24. | Fucoxanthin is also found in haptophyte chloroplasts, providing evidence of ancestry.
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| 25. | As in prokaryotes, genes in chloroplast DNA are organized into operons.
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| 26. | There are some common misconceptions about the outer and inner chloroplast membranes.
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| 27. | One square millimeter of leaf tissue can contain half a million chloroplasts.
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| 28. | Manganese is also important in photosynthetic oxygen evolution in chloroplasts in plants.
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| 29. | In plants and algae, photosynthesis takes place in organelles called chloroplasts.
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| 30. | A typical plant cell contains about 10 to 100 chloroplasts.
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