| 1. | Once a heterocyst has formed it cannot revert to a vegetative cell.
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| 2. | Fission may occur spontaneously, in the course of the vegetative cell cycle.
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| 3. | Fission may occur as part of the normal vegetative cell cycle.
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| 4. | When stained with Gram stain, ascospores are gram-negative while vegetative cells are gram-positive.
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| 5. | When stained with Gram stain, ascospores appear Gram-negative, while vegetative cells appear Gram-positive.
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| 6. | Fission may occur spontaneously, as part of the vegetative cell cycle.
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| 7. | Vegetative cells in dry anthrax powder are generally dead and therefore harmless, experts said.
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| 8. | Auxospores are involved in re-establishing the normal size in diatoms because successive vegetative cells.
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| 9. | Endospores possess five times more sulfur than vegetative cells.
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| 10. | A minimal amount of spore germination and vegetative cell growth are required for toxin production.
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