Why Is the Protein-First Hypothesis Not Accepted by Most Scientists

question 25

Multiple Choice

Why is the protein-first hypothesis not accepted by most scientists?

• A) Proteins cannot be catalysts.
• B) There is no known mechanism of protein self-replication.
• C) Of all of the macromolecules, only DNA can self-replicate.
• D) There is no evidence that proteins can store information.
• E) Proteins are too complex to have been the first "polymers of life."

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Definitions:

Cash Flows

The inflows and outflows of cash and cash equivalents, representing the operational, investing, and financing activities of a business.

Post-audit

The evaluation process conducted after a project's completion to assess its actual performance against planned objectives and costs.

Accounting Rate of Return

A financial metric that measures the return on investment expected from a project or asset, calculated as the average annual profit divided by the initial investment cost.

Simple Rate of Return

A calculation that estimates the profitability of an investment, without factoring in the time value of money or cash flows over time.