Which of the Following Structures Is Not Located at the Level

question 18

Multiple Choice

Which of the following structures is not located at the level of the fourth thoracic vertebrae?
I.Angle of Louis
II.Medial aspect of the clavicle
III.Carina
IV.Inferior tip of the scapula

• A) I and II
• B) II and I
• C) I and III
• D) I and IV

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Definitions:

Hydrogen Bonding

A type of weak chemical bond that occurs when a hydrogen atom covalently bonded to a highly electronegative atom, such as oxygen or nitrogen, experiences attraction to another electronegative atom.

Hemoglobin

Hemoglobin is a protein in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Secondary Structure

The local folded structures that form within a polypeptide due to interactions between atoms in the backbone, typically alpha-helices and beta-sheets.

Quaternary Structure

The level of protein structure involving the arrangement and interaction of multiple polypeptide chains.