Choose the correct statements regarding cell organelles and their inclusions.
A. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria.
B. Rough endoplasmic reticulum bears ribosomes on its surface.
C. Both mitochondria and plastids have circular DNA.
D. A network of microtubules, microfilaments and intermediate filaments present in the cytoplasm is called cytoskeleton.
E. Mitochondrion is a single membrane-bound structure.
Choose the correct answer from the options given below :
- A
A and B only
- B
A, B and C only
- C
C, D and E only
- D
B, C and D only
Mitochondria are not part of the endomembrane system, so statement A is wrong.
Mitochondria are double-membrane bound, not single membrane, so statement E is wrong.
Rough ER does carry ribosomes (B correct), mitochondria and plastids both possess circular DNA (C correct), and the cytoplasmic network of microtubules, microfilaments and intermediate filaments is the cytoskeleton (D correct).
Correct set: B, C and D.
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