______Have Lost,through ______,The Ability to Grow on Minimal Medium

question 23

Multiple Choice

______have lost,through ______,the ability to grow on minimal medium.

• A)prototrophs; adaptation
• B)mutants; adaptation
• C)prototrophs; mutation
• D)auxotrophs; mutation
• E)auxotrophs; adaptation

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Definitions:

Bevel Gear

A type of gear where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped, often used in differential drives.

Addendum

The radial distance from the pitch circle of a gear to the top of the teeth.

Dedendum

The distance from the pitch circle of a gear to the bottom of the tooth groove.

Working Depth

Working depth pertains to the depth of engagement between two mating gears, specifically the depth to which a tooth enters into the gap between teeth on the opposing gear.