Why Has C Elegans Proven to Be a Useful Model for Understanding

question 59

Multiple Choice

Why has C. elegans proven to be a useful model for understanding apoptosis?

• A)The animal has very few genes, so that finding those responsible is easier than in a more complex organism.
• B)The nematode undergoes a fixed and easy-to-visualize number of apoptotic events during its normal development.
• C)This plant has a long-studied aging mechanism that has made understanding its death just a last stage.
• D)While the organism ages, its cells die progressively until the whole organism is dead.
• E)All of its genes are constantly being expressed so all of its proteins are available from each cell.

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Definitions:

Economy

An organized system of production, distribution, and consumption of goods and services within a particular geographical region.

Division of Labour

The allocation of different parts of a manufacturing process or task to different individuals or groups, often to increase efficiency and productivity.

Labour Market Segmentation

Is the division of the market for labour into distinct settings. In these settings, work is found in different ways and workers have different characteristics. There is only a slim chance of moving from one setting to another.

Good Job

A term often used to express approval or satisfaction with someone's performance or effort.