Sol Spiegelman and Colleagues Demonstrated Natural Selection in RNA Replications

question 43

Multiple Choice

Sol Spiegelman and colleagues demonstrated natural selection in RNA replications because in their experiments

• A) the researchers chose which RNA molecules to replicate.
• B) RNA was self-replicating.
• C) RNA molecules had differential survival and reproduction rates.
• D) RNA was copied into DNA.

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Definitions:

Overhead Costs

Indirect expenses related to the day-to-day running of a business, such as rent, utilities, and office supplies, which are not directly tied to production.

Direct Labor Hours

The cumulative hours employees engaged in manufacturing products or delivering services have worked.

Applied Overhead Rate

A predetermined rate used to allocate manufacturing overhead costs to individual units of output.

Manufacturing Overhead Application Rate

The rate used to allocate manufacturing overhead costs to individual units of production, based on a chosen activity base.