The Spinal Cord Ends at the ________

question 72

Multiple Choice

The spinal cord ends at the ________.

• A) sacrum
• B) coccyx
• C) 5th lumbar vertebrae
• D) 2nd lumbar vertebrae

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Definitions:

1,3-Butadiene

An elementary conjugated diene with a molecular composition of C4H6, employed in the manufacture of synthetic rubber as a monomer.

HOMO

Highest Occupied Molecular Orbital, the topmost energy level occupied by electrons in a molecule under normal conditions.

Allyl Anion

A negatively charged allyl group (a three-carbon chain with a double bond) that acts as a nucleophile in organic reactions.

LUMO

Lowest Unoccupied Molecular Orbital, which is the lowest energy molecular orbital that is currently unoccupied by electrons and can accept an electron.