Biochemical Limestones Are Dominated by Carbonate Mud and Fragments of ____________

question 29

Multiple Choice

Biochemical limestones are dominated by carbonate mud and fragments of ____________.

• A)siliceous shells of planktonic diatoms and foraminifera
• B)calcitic and aragonitic skeletons of marine invertebrates
• C)the phosphatic bones of fish
• D)the organic breakdown products of wood from trees

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Definitions:

NADH

Nicotinamide adenine dinucleotide (reduced form), an important coenzyme in the body that participates in energy production through cellular respiration.

Carbon Dioxide

A transparent, smell-free gas that comes from burning carbon and compounds with carbon in them and is produced during respiration, which plants absorb in the photosynthesis process.

Preparatory Reaction

The phase in cellular respiration where pyruvate is converted into acetyl CoA before entering the citric acid cycle.

Glycolysis

Glycolysis is a metabolic pathway that converts glucose into pyruvate, releasing energy and pyruvic acid as end products.