Electron Donors for Anaerobic Photosystem I in Green Sulfur Bacteria

question 71

Multiple Choice

Electron donors for anaerobic photosystem I in green sulfur bacteria and chloroflexi include the following, EXCEPT

• A) H²S.
• B) HS._-
• C) H₂.
• D) H₂O.
• E) Fe²⁺.

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Definitions:

Restricting Writing

Generally refers to limiting or controlling the act of writing, either through physical means, censorship, or other forms of suppression.

Higher Probability Behavior

A concept in operant conditioning referring to a behavior that occurs more frequently, thus can be used as a reinforcement for a behavior of lower frequency.

FR-2 Schedule

A fixed-ratio schedule where reinforcement is provided after every second correct response.