Some Anoxygenic Photosynthetic Bacteria Use __________ as Their Electron Source

question 32

Multiple Choice

Some anoxygenic photosynthetic bacteria use __________ as their electron source.

• A)hydrogen sulfide
• B)sulfur
• C)hydrogen
• D)All of these choices are correct.

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Definitions:

Preoperational Thought

A stage in Piaget's theory of cognitive development where children (ages 2-7) begin to engage in symbolic play and struggle with logic and understanding others' perspectives.

Intuitive Reasoning

The process of making decisions on the basis of what feels right or what is instinctively believed to be true without logical reasoning.

Symbolic Thought

The ability to use symbols, like words or images, to represent objects, actions, or ideas not physically present.

Concrete-Operational

A stage in Piaget's theory of cognitive development, typically occurring between ages 7 and 11, where children start thinking logically about concrete events.