The Availability of Oxygen and Other Electron Acceptors Is the Most

question 14

Multiple Choice

The availability of oxygen and other electron acceptors is the most important determinant of the types of metabolism in a habitat. Which of the following is NOT true about anaerobic environments?

• A) They have slower rates of assimilation compared to aerobic habitats.
• B) Their rates of dissimilation are slower compared to aerobic environments.
• C) Microbes sometimes use minerals such as NO2- to oxidize organic compounds.
• D) Anaerobic microbial biomass far exceeds that of the oxygenated biosphere.
• E) Respiration of organic compounds is highly dissimilatory, reducing them to CO₂.

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Definitions:

Bulimia Nervosa

A serious eating disorder marked by binging, followed by methods to avoid weight gain.

Body Image

An individual's perception and feelings about their own body's appearance and physical capabilities.

Binge-Eating Disorder

An eating disorder characterized by frequent episodes of consuming very large amounts of food but without subsequent purging behaviors, associated with feelings of shame or guilt.

Overeating

The consumption of food in quantities significantly larger than what is required for basic nutritional needs, often leading to discomfort, health issues, or obesity.