Which statement is true about cytoplasm and sarcoplasm?

The statement regarding sarcoplasm containing muscle cell components for energy production is accurate because sarcoplasm is a specialized type of cytoplasm found specifically in muscle cells. It houses vital elements such as myoglobin, which stores oxygen, and various organelles like mitochondria that are essential for producing adenosine triphosphate (ATP) through aerobic respiration. This energy production is crucial for muscle contraction and various metabolic processes during physical activity.

Understanding these components highlights sarcoplasm's role in facilitating movement and sustaining muscle function. In contrast to this correct option, the other statements provide inaccurate representations of cytoplasm and sarcoplasm. The claim that cytoplasm is only found in plant cells disregards its presence in all eukaryotic cells, including animal cells. The assertion that both cytoplasm and sarcoplasm are identical undermines the specific adaptations and functions of sarcoplasm in muscle tissue. Lastly, the idea that sarcoplasm is inactive during exercise misrepresents its critical role in energy production and metabolic responses required for muscle activity.