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The Fundamental Unit of Life — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
Lysosomes are made up of:
  • A
    One membrane
  • B
    Two membranes
  • C
    Three membranes
  • D
    No membrane
✓

Answer

  1. One membrane

Explanation:

Lysosomes are the smallest vesicle-like cell organelles, surrounded by a single membrane. It consists hydrolytic enzymes which break down the foreign particles, dead cellular content, etc. The lysosomal membrane allows the digestive enzymes to work at lower pH.

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