Most Methanotrophs Are Obligate ________ Because ________

question 64

Multiple Choice

Most methanotrophs are obligate ________ because ________.

• A) aerobes / the initial step of methane oxidation requires O₂
• B) anaerobes / methane is produced in anaerobic environments
• C) fermenters / methane only provides enough energy for fermentation
• D) heterotrophs / methane does not provide enough carbon for growth

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Definitions:

Adrenal Gland

An endocrine gland that produces various hormones including adrenaline and steroids affecting metabolism and stress response.

Thyroid Gland

An endocrine gland located in the neck that produces hormones regulating growth, metabolism, and energy production.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, that carry genetic information.

Recessive Genes

Genes that are expressed in offspring only when inherited from both parents, as opposed to dominant genes, which are expressed when inherited from just one parent.