Although DNA Is the Main Hereditary Material in All Life-Forms,it

question 29

Multiple Choice

Although DNA is the main hereditary material in all life-forms,it lacks one important characteristic of being a candidate for the first life-form.Why have researchers rejected the idea that DNA was found in the first life-form?

• A)It does not function as a catalyst.
• B)It is not stable enough to have withstood early Earth's harsh atmosphere.
• C)Because it has only four different bases,it does not carry enough information;therefore,it cannot adapt and evolve.
• D)The type of sugar found in DNA is much too complicated to have been present early in Earth's history.

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Definitions:

Disadvantaged Contexts

Environments or situations where individuals have limited access to resources, opportunities, or services, impacting their quality of life and development.

Environmental Stimulation

Describes the process by which physical, social, and intellectual aspects of the environment encourage developmental processes in individuals.

Flynn Effect

A phenomenon observed as a substantial and long-sustained increase in intelligence test scores measured across the world over the 20th century.

Nonverbal Subtests

Parts of psychological or cognitive assessments that measure abilities without the use of spoken or written language, focusing on things like pattern recognition or puzzles.