In the α -Helix

question 12

Multiple Choice

In the α -helix

• A) there are no hydrogen bonds
• B) the peptide chain is fully extended
• C) the peptide chain bends back on itself
• D) there are hydrogen bonds parallel to the helix axis

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Definitions:

Maximum Straightness Tolerance

The highest allowable deviation from a perfectly straight line that a component or feature can have.

MMC

Maximum Material Condition, a concept in dimensioning and tolerancing where a part contains the maximum amount of material within the specified limits.

Maximum Material Limit

A specification in tolerance designating the largest permissible size of a feature without violating the part's functional requirement.

Errors of Straightness

The variation from the desired straight line in the path or surface of a mechanical part.