Protist review

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What are protists?

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Protists are a diverse group of eukaryotic microorganisms, which can be unicellular or multicellular, and are not classified as animals, plants, or fungi.

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What is the endosymbiotic theory?

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The endosymbiotic theory proposes that eukaryotic cells originated through a symbiotic relationship between different species of prokaryotes, leading to the formation of organelles like mitochondria and chloroplasts.

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What are diplomonads?

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Diplomonads are a group of protists characterized by having two nuclei and multiple flagella, and they often inhabit anaerobic environments.

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What is the significance of mitochondria in eukaryotic cells?

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Mitochondria are the powerhouses of eukaryotic cells, responsible for producing ATP through aerobic respiration.

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What is a unifying characteristic of the Opisthokonta lineage?

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The unifying characteristic of the Opisthokonta lineage is the presence of a rear flagellum in their motile cells.

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What evidence supports the endosymbiotic origin of mitochondria?

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The strongest evidence is the similarity between mitochondria and certain prokaryotes, particularly in their DNA and ribosomes.

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What are chytrids?

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Chytrids are a group of fungi that are unique among fungi because they produce flagellated spores, known as zoospores.

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What is the role of chloroplasts in eukaryotic cells?

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Chloroplasts are organelles responsible for photosynthesis in plants and some protists, converting light energy into chemical energy.

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How do protists reproduce?

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Protists can reproduce both sexually and asexually, with methods including binary fission, budding, and conjugation.

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What is the function of flagella in protists?

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Flagella are whip-like structures that enable protists to move and navigate through their environments.