Biological Molecules Are Composed of Building Blocks That Are Linked

question 24

Multiple Choice

Biological molecules are composed of building blocks that are linked together to form ____.

• A)functional groups
• B)ball-and-stick models
• C)space-filling models
• D)monomers
• E)polymers

---

Definitions:

Auricles

Auricles, in anatomy, primarily refer to the external part of the ear; however, they can also denote ear-like extensions or appendages in other organs, such as the atria of the heart.

Serous Membrane

A smooth tissue membrane consisting of two layers of mesothelium, which secrete serous fluid to lubricate and reduce friction between tissue layers.

Aortic Semilunar Valves

Valves located between the aorta and the left ventricle of the heart that prevent blood from flowing back into the heart.

Great Cardiac Veins

The great cardiac veins are large veins on the surface of the heart that drain blood from the heart muscle.