What Do Sulfur Bacteria Use as a Source of Electrons

question 52

Multiple Choice

What do sulfur bacteria use as a source of electrons in photosynthesis?

• A)hydrogen sulfide
• B)water
• C)hydrogen sulfite
• D)carbon dioxide
• E)glucose

---

Definitions:

Copayment

A fixed amount paid by a patient for receiving a medical service, with the remainder covered by their health insurance.

Universal Coverage

A health care system that guarantees access to necessary health care services for all individuals, regardless of their financial status or pre-existing health conditions.

Marginal Cost

The cost of producing one additional unit of a product, often used in decision-making processes regarding production levels.

Average Total Cost

The total cost of production divided by the quantity of output produced; it includes all variable and fixed costs.