The Degradation of the Extracellular Matrix, Along with Cell Surface

question 31

Multiple Choice

The degradation of the extracellular matrix, along with cell surface proteins, is accomplished mostly by a _____-containing enzyme family called MMPs.

• A)coppers
• B)iron
• C)zinc
• D)magnesium
• E)manganese

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Definitions:

Hard Palate

The bony front part of the palate forming the roof of the mouth, separating the oral and nasal cavities.

Nasal Cavity

The nasal cavity is a large air-filled space behind the nose, involved in breathing, filtering, warming, and humidifying inhaled air; it also houses olfactory receptors involved in the sense of smell.

Pharynx

The Pharynx is the part of the throat behind the mouth and nasal cavity, leading to the esophagus and larynx, involved in breathing and swallowing.

Respiratory Membrane

The thin barrier in the lungs through which gas exchange occurs between the air in the alveoli and the blood in the capillaries.