The Work of Bartel's Group on the Ribozyme RNA Replicase

question 11

Multiple Choice

The work of Bartel's group on the ribozyme RNA replicase supports which conclusion?

• A) Life cannot come from nonlife.
• B) DNA must have come before RNA.
• C) An RNA world could produce molecules that could self- replicate.
• D) Natural selection does not work unless humans are present to help it.

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Definitions:

Statistical Discrepancy

The difference between the sum of the components of GDP calculated on the income side and the expenditure side, due to measurement errors and data omissions.

International Reserves

International reserves are assets held by central banks in foreign currencies, gold, and special drawing rights, serving as a means to pay off international debt obligations or influence currency exchange rates.

Unilateral Transfers

These are one-way transfers of funds or resources from one country to another or from governments to international organizations without a direct reciprocal expectation.

Persian Gulf War

a conflict that took place from 1990 to 1991, initiated by Iraq's invasion of Kuwait, leading to military intervention by a coalition led by the United States.