What Must Be Added to LB Medium for a Prototrophic

question 50

Multiple Choice

What must be added to LB medium for a prototrophic E.coli strain to be able to grow?

• A)glucose
• B)glucose plus nucleotides,amino acids and lipids
• C)glucose plus at least one other organic component
• D)glucose plus amino acids
• E)the medium is sufficient

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Definitions:

Sinkhole

A natural depression formation caused by the dissolution of soluble bedrock or substrate collapse.

Weathering

The natural process where rocks are broken down or dissolved into smaller pieces by chemical, physical, or biological factors.

Clay Minerals

A group of hydrated silicates of aluminum, sometimes with iron, magnesium, or other cations, which possess fine-grained structures and are a major component of soils.

Plant Cover

The layer of vegetation or plants that covers the ground in a specific area, crucial for maintaining ecosystems and influencing water and soil quality.