The First Genetic Material on Early Earth Was Most Likely

question 90

Multiple Choice

The first genetic material on early Earth was most likely

• A)DNA.
• B)RNA.
• C)peptidoglycan.
• D)protocells.

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Definitions:

Hardiness

A personality trait characterized by resilience, the ability to endure stressful situations, and a sense of commitment and control.

Contemplation

A state of deep reflection or thoughtful observation.

Challenge

A task or situation that requires a person to engage in effortful or skillful action to achieve a desired goal or overcome a difficulty.

Healthy People 2020

A set of health objectives for the U.S. to achieve over a decade, focusing on improving the health and well-being of all people.