All N₂-Fixing Systems Are Nearly Identical and Have All of the Requirements

question 1

Multiple Choice

All N₂-fixing systems are nearly identical and have all of the requirements EXCEPT:

• A) ATP.
• B) O₂-free conditions.
• C) the enzyme nitrogenase.
• D) strong reductant such as ferredoxin.
• E) all are true.

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Definitions:

Acid-Base Balance

The homeostatic regulation of bodily pH within a narrow range, crucial for normal cellular functions.

Urinalysis Strip

A diagnostic tool used to detect and measure various substances in the urine, such as glucose, ketones, and blood.

Spectrometer

An instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, commonly used in analytical chemistry for identifying substances.

Urine Filtrate

A liquid substance that has been passed through a filter, in this context referring to the substance filtered from the blood through the kidneys before becoming urine.