Discussion
Which of the following statements is INCORRECT about the nucleus of a cell?
Answer: D
The incorrect statement is that threads of chromatin in the nucleus contain ribonucleic acid (RNA). Chromatin is made of DNA (deoxyribonucleic acid) wound on histone proteins, and it forms the chromosomes when the cell divides.
The other statements are correct: the nucleus is the control centre of the cell, it determines how the cell functions and its basic structure, and it is separated from the cytoplasm by the nuclear membrane. The fourth option is therefore the incorrect one.
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