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:

Labor

The physical and mental effort used in the production of goods and services.

Slope

In mathematics and economics, it represents the rate at which a variable changes over the change in another variable, often depicted as a line on a graph.

Absolute Value

A mathematical term describing the magnitude of a number regardless of its sign; the distance of a number from zero on the number line.

Indeterminate

A situation or problem that cannot be resolved due to insufficient or conflicting information.