A Group of Cells Is Assayed for DNA Content Immediately

question 48

Multiple Choice

A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 12 picograms of DNA per nucleus.How many picograms of DNA would be found in a nucleus at the end of G₁ and the end of G₂?

• A)12;12
• B)12;24
• C)24;12
• D)24;24

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Definitions:

Inorganic Nutrients

Nutrients that do not contain carbon and are needed by the body in small amounts, such as minerals and water.

Natural Ecosystem

A community of living organisms and their physical environment interacting as a system in nature, untouched by significant human influence.

Successive Trophic Level

A hierarchical position in a food chain or food web, higher levels are progressively further from primary producers in terms of their source of food.

Decreasing Amount

A reduction in quantity, volume, or number over time or in a particular process.