Laboratory Experiments About Bacterial Mutation Rates Have Demonstrated Which of the Following

question 10

Multiple Choice

Laboratory experiments about bacterial mutation rates have demonstrated which of the following?

• A) Bacterial mutation rates rarely evolve in short-term laboratory experiments; they are a relatively fixed feature of a species biology.
• B) In short-term laboratory experiments, bacterial mutation rates often evolve to be higher because higher mutation rates result in higher fitness.
• C) In short-term laboratory experiments, bacterial mutation rates often evolve to be lower because mutations are typically deleterious for organisms.
• D) Depending on the experiment, bacterial mutation rates sometimes evolve to higher rates, and other times evolve to lower rates.

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Definitions:

Ossified

The process by which tissue is transformed into bone or a bony substance.

Epiphyseal Plates

Growth plates located at the ends of long bones where new bone growth occurs.

Intramembranous Ossification

A process where bone tissue is created directly on or within fibrous membranes, playing a vital role in the development of flat bones like the skull.

Osteoprogenitor Cells

Osteoprogenitor cells are stem cells found in bone marrow that have the potential to differentiate into osteoblasts, which are responsible for new bone formation.