Experiments with Azotobacter Chroococcum Have Led to the Observation That

question 66

Multiple Choice

Experiments with Azotobacter chroococcum have led to the observation that

• A) nitrogenase reduces nitrogen to ammonia.
• B) acetylene may be reduced by nitrogenase.
• C) nitrogenase may contain molybdenum and iron.
• D) two alternative nitrogenases can be made under certain growth conditions.

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Definitions:

Mammals

Warm-blooded vertebrates characterized by the presence of mammary glands, which females use to feed their young.

Milk

A nutrient-rich fluid produced by the mammary glands of female mammals, serving as the primary source of nutrition for their young.

SRY Gene

The SRY Gene is a sex-determining gene on the Y chromosome in males that triggers the development of male physical characteristics.

Determines

Refers to establishing or influencing the outcome or nature of something.