Is the Following Transformation Representative of a Physical Change or a Chemical

question 47

Multiple Choice

Is the following transformation representative of a physical change or a chemical change?

• A)chemical change because of the formation of elements
• B)physical change because a new material has been formed
• C)chemical change because the atoms are connected differently
• D)physical change because of a change in phase

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Definitions:

Intercalated Discs

The junctions between cells in cardiac muscle; contain gap junctions.

Myofibrils

Tiny threadlike structures in the cytoplasm of striated and cardiac muscle that are composed of myosin filaments and actin filaments; these filaments are responsible for muscle contraction; see myosin filaments and actin filaments.

Contract

A legally binding agreement between two or more parties that outlines obligations and rights of each party.

Cardiac Muscle Fibers

Specialized muscle cells in the heart characterized by their ability to contract rhythmically and continuously without fatigue to pump blood throughout the body.