In Light, Purple Sulfur Bacteria Use H₂S as an Electron

question 88

Multiple Choice

In light, purple sulfur bacteria use H₂S as an electron donor and release pure sulfur as a waste product. They are examples of

• A) photoautotrophs.
• B) photoheterotrophs.
• C) chemolithotrophs.
• D) chemoheterotrophs.
• E) deep-sea, volcanic vent bacteria.

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Definitions:

Active Listening

Helps the source of a message say what he or she really means.

Semantic Barriers

Obstacles to communication that occur when participants do not share the same meaning or interpretation of the symbols or language used.

Encoding

The process of converting information or data into a specific format for efficient processing, storage, or transmission.

Decoding

The process of interpreting or making sense of a message or information received.