The Enzyme Catalase Acts on the Substrate

question 81

Multiple Choice

The enzyme catalase acts on the substrate

• A)oxygen.
• B)hydrogen.
• C)hydrogen peroxide.
• D)peroxidase.

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Definitions:

Circumflex Artery

An artery that branches off from the coronary arteries to supply the heart muscle with oxygenated blood.

Inferior Vena Cava

The largest vein in the human body, which carries deoxygenated blood from the lower and middle body into the right atrium of the heart.

Pulmonary Vein

A vascular channel that transports blood enriched with oxygen from the lungs to the heart's left atrium.

Intercalated Disc

Specialized connections between cardiac muscle cells containing gap junctions and desmosomes, facilitating unified contractions of the cardiac tissue.