Which of the following describes a lysosome?
A. A nonmembranous structure that is essential for mitosis
B. A complex network of interconnected membranes that is a communication system in the cell
C. A double-membraned organelle that is the "powerhouse" of the cell
D. A tiny, membranous sac that contains enzymes that degrade worn cell parts and debris
Answer: D
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Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?