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:

Sperling

Best known for his research on the capacity and duration of human visual memory, particularly through his partial report technique.

Sensory Memory

The capacity to hold sensory information impressions briefly after the initial stimuli are gone, representing the most fleeting aspect of memory.

Proactive Interference

The phenomenon where old memories hinder the recall of newly acquired information.

Sensory Memory

The shortest-term element of memory, which allows retention of impressions of sensory information after the original stimulus has ceased.