Which of the Following Organisms Is Using Sulfur as a Source

question 37

Multiple Choice

Which of the following organisms is using sulfur as a source of energy?

• A) Photosynthetic bacteria: H₂S -S⁰
• B) Desulfovibrio: SO₄^2- -H₂S
• C) Thiobacillus: H₂S -S⁰
• D) Redwood tree: SO₄^2- -Amino acids
• E) Proteus: Amino acids -H₂S

---

Definitions:

Datum Feature

A reference point, axis, or plane from which dimensions are measured, providing a starting point for the geometric control of a part.

Datum Target Point

A specific point, line, or area on a part that serves as a reference or starting point for geometric measurements.

Edge View

A perspective in a drawing that shows the object or part as if being viewed directly from its side, highlighting its outline.