You Have Been Studying Microorganisms That Appear to Be Capable

question 2

Multiple Choice

You have been studying microorganisms that appear to be capable of oxidizing reduced compounds such as hydrogen sulfide and hypothesize that these organisms are _______________.

• A) Thermophilic
• B) Chemo-autotrophic
• C) Acido-autotrophic
• D) Chemo-heterotrophic

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Definitions:

Noncyclic Electron Transport

A pathway of photosynthesis where electrons flow linearly from water to NADP+, producing NADPH, oxygen, and ATP.

Oxygen Source

A substance or process that releases oxygen as a result of a chemical reaction or biological process.

NADPH

Nicotinamide adenine dinucleotide phosphate, a coenzyme involved in anabolic reactions, such as lipid and nucleic acid synthesis, and the antioxidant defense system.

Electrons Needed

Refers to the requirement of electrons in various chemical reactions and processes, such as those in cellular respiration and photosynthesis.