Multiple Choice
What is the main characteristic of muscle tissue?
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4. Tissues & Histology
Introduction to Muscle Tissue
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What unique feature do muscle cells possess that distinguishes them from other cell types?
A
Mitochondria
B
Nucleus
C
Myofibrils
D
Cell membrane
Verified step by step guidance1
Understand that muscle cells, also known as myocytes, have specialized structures that enable them to perform their primary function: contraction.
Recognize that while mitochondria, nucleus, and cell membrane are common to many cell types, myofibrils are unique to muscle cells.
Myofibrils are the contractile elements within muscle cells, composed of repeating units called sarcomeres, which contain the proteins actin and myosin.
These myofibrils are responsible for the striated appearance of skeletal and cardiac muscle and are essential for muscle contraction.
Therefore, the presence of myofibrils is the unique feature that distinguishes muscle cells from other cell types.
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