Praxis 5511 Practice Test Practice Question
Which of the following is an organelle found in a human muscle cell?
Correct Answer: B
Rationale: Mitochondria are essential organelles in human muscle cells, providing the energy needed for muscle contraction through ATP production. They are often referred to as the "powerhouses" of the cell.
Option A, the cell wall, is incorrect as it is found in plant cells, providing structure and support, but not in animal cells like human muscle cells.
Option C, DNA, while present in all cells, is not an organelle; it is the genetic material housed in the nucleus.
Option D, the retina, is a part of the eye responsible for vision, not an organelle within muscle cells.
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