Which Matter Is Broken Down by Biological Action

question 99

Multiple Choice

Which matter is broken down by biological action? 

• A) uranium 
• B) plastic toys 
• C) litter in the environment 
• D) lead and mercury

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Definitions:

PGA

An acronym that can refer to several concepts; in a biological context, it often stands for phosphoglyceric acid, a 3-carbon molecule formed in the Calvin cycle of photosynthesis.

PGAL

Phosphoglyceraldehyde, an intermediate molecule formed in the photosynthesis and glycolysis metabolic pathways, important in the metabolic process.

NADPH

Nicotinamide adenine dinucleotide phosphate, a coenzyme involved in cellular processes, mainly anabolism and as a reducing agent in anabolic reactions.