When the Olecranon Fossa of the Humerus Articulates with the Olecranon

question 17

True/False

When the olecranon fossa of the humerus articulates with the olecranon process of the ulna, it allows a person to straighten the arm at the elbow.

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Definitions:

Stereoisomer

Molecules that have the same molecular formula and sequence of bonded atoms but differ in the three-dimensional orientations of their atoms in space.

Configuration

The fixed arrangement of atoms in a molecule that cannot be changed without breaking chemical bonds, different from conformation.

Asymmetric Carbon

A carbon atom bonded to four different groups or atoms, leading to chirality and optical activity in molecules.

Optical Activity

The ability of a substance to rotate the plane of polarization of polarized light, a property of chiral molecules.