In Sewage-Treatment Systems, Nitrifiers Such as ________ Are Used to Decrease

question 66

Multiple Choice

In sewage-treatment systems, nitrifiers such as ________ are used to decrease the reduced nitrogen content.

• A) Neisseria gonorrhoeae and N. meningitidis
• B) Thiobacillus spp.
• C) Nitrosomonas, Nitrosolobus, and Nitrosovibrio
• D) Escherichia spp.
• E) Helicobacter and Campylobacter

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Definitions:

Genetic Disorders

Diseases or conditions that result from abnormalities in an individual's DNA, often inherited from one's parents.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby and removing waste products.

Phenotypic Plasticity

The degree to which the phenotype is open to influence by the environment rather than determined by the genotype.

Environmental Conditions

The various physical, chemical, and biological factors that surround and affect the life and development of organisms.