The Following Is Correct Regarding Bacteria in the Genus Nitrospira

question 70

Multiple Choice

The following is correct regarding bacteria in the genus Nitrospira:

• A) They are Gram-negative, true lithotrophs or autotrophs.
• B) Nitrospira spp. possess carboxysomes where they fix CO₂ or H₂CO.
• C) Nitrospira spp. are found in aquatic environments, where they remove excess nitrite.
• D) All of the above.
• E) None of the above.

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Definitions:

Secondary Reinforcement

A process in conditioning where a stimulus reinforces a behavior after it has been associated with a primary reinforcer.

Variable Ratio Schedule

A reinforcement schedule used in conditioning where a response is reinforced after an unpredictable number of responses, leading to high and steady response rates.

Fixed Ratio Schedule

A type of reinforcement schedule in behavioral psychology where a response is reinforced only after a specified number of responses.

Variable Interval Schedule

A reward system where a response is given a reward after a random duration of time.