Heterocysts

question 9

Multiple Choice

Heterocysts

• A) are found in nitrogen-fixing cyanobacteria AND produce catalase.
• B) are found in nitrogen-fixing cyanobacteria AND are used to protect nitrogenase.
• C) are used to protect nitrogenase AND generate oxygen.
• D) produce catalase AND are found in nitrogen-fixing cyanobacteria.
• E) are found in nitrogen-fixing cyanobacteria AND generate oxygen.

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Definitions:

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