As Life Was First Evolving, What Molecule Is Thought to Have

question 79

Multiple Choice

As life was first evolving, what molecule is thought to have performed double duty as the genetic material and catalyst of chemical reactions?

• A)RNA
• B)proteins
• C)polypeptides
• D)DNA
• E)both proteins and polypeptides

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Definitions:

Enlightenment Period

A cultural and intellectual movement in Europe during the 17th and 18th centuries that emphasized reason, science, and individual rights over tradition and authority.

Mentally Ill

A term referring to individuals who suffer from mental disorders that affect their mood, thinking, and behavior.

Paracelsus

A Swiss physician and alchemist of the early Renaissance, regarded as the father of toxicology, who emphasized the importance of observation in medicine.

St. Vitus' Dance

A historical term for Sydenham's chorea, characterized by rapid, uncoordinated jerking movements most commonly affecting the face, hands, and feet.